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High School Mathematics/Geometry Working Document July 22, 2016 PCBOE Pike County School District Standards Mastery Document High School Geometry Table of Contents Congruence (G.CO) 4 Similarity, Right Triangles, and Trigonometry (G.SRT) 17 Modeling with Geometry (G.MG) 28 Geometric Measurement and Dimension (G.GMD) 31 Expressing Geometric Properties with Equations (G.GPE) 35 Circles (G.C) 42 Conditional Probability and the Rules of Probability (S.CP) 47 Using Probability to Make Decisions (S.MD) 56 2 Back to Table of Contents Pike County School District Standards Mastery Document High School Geometry The Standards Mastery Document is designed for educators by educators as a resource and tool to help educators increase their depth of understanding of the Common Core Standards. This document will enable teachers to plan College & Career Ready curriculum and classroom instruction that promotes inquiry and higher levels of cognitive demand. The Standards for Mathematical Practice describe varieties of expertise that mathematics educators at all levels should seek to develop in their students. These practices rest on important “processes and proficiencies” with longstanding importance in mathematics education. 8 Mathematical Practices (MP): MP 1. Make sense of problems and persevere in solving them. MP 2. Reason abstractly and quantitatively. MP 3. Construct viable arguments and critique the reasoning of others. MP 4. Model with mathematics. MP 5. Use appropriate tools strategically. MP 6. Attend to precision. MP 7. Look for and make use of structure. MP 8. Look for and express regularity in repeated reasoning. 3 Back to Table of Contents Pike County School District Standards Mastery Document High School Geometry Congruence (G.CO) Standard: G.CO.1 Know precise definitions of angle, circle, perpendicular line, parallel line, and line segment, based on the undefined notions of point, line, distance along a line, and distance around a circular arc. Enduring Skills: MP.6 Attend to precision. Know: What content does the Do: What skill must the student Mastery: How does the student student need to know to demonstrate this standard? demonstrate? demonstrate the earning of the standard? Understand definitions of angle, circles, perpendicular lines, parallel lines, and line segments. Understand definitions of point, line, and arc. Describe the terms, point, line, and distance along a line in a plane. Identify points and lines in a plane. Define perpendicular lines, parallel lines, line segments, and angles. Identify and name perpendicular lines, parallel lines, line segments, and angles. Define circle and the distance around a circular arc. Identify and name circular arcs. 4 Back to Table of Contents Pike County School District Standards Mastery Document High School Geometry Congruence (G.CO) Standard: G.CO.2 Represent transformations in the plane using, e.g., transparencies and geometry software; describe transformations as functions that take points in the plane as inputs and give other points as outputs. Compare transformations that preserve distance and angle to those that do not (e.g., translation versus horizontal stretch). Enduring Skills: MP.1 Make sense of problems and persevere in solving them. MP.4 Model with mathematics. MP.5 Use appropriate tools strategically. MP.6 Attend to precision. MP.8 Look for and express regularity in repeated reasoning. Know: What content does the Do: What skill must the student Mastery: How does the student student need to know to demonstrate this standard? demonstrate? demonstrate the earning of the standard? Understand the different types of transformations including translations, reflections, rotations, and dilations. How are transformations and functions related? Represent transformations in the plane. Write functions to represent transformations. Compare transformations that preserve distance and angle to those that do not. Use technology to represent and compare rigid and size transformations and size of figures in a coordinate plane. Use technologies such as transparencies, geometry software, interactive whiteboards, and digital visual presenters to represent and compare rigid and size transformations of figures in a coordinate plane. Compare transformations that preserve distance and angles to those that do not. Describe and compare function transformations on a set of points as inputs to produce a set of points as outputs, to include translations and horizontal and vertical stretching. 5 Back to Table of Contents Pike County School District Standards Mastery Document High School Geometry Congruence (G.CO) Standard: G.CO.3 Given a rectangle, parallelogram, trapezoid, or regular polygon, describe the rotations and reflections that carry it onto itself. Enduring Skills: MP.4 Model with mathematics. MP.6 Attend to precision. MP.7 Look for and make use of structure. Know: What content does the Do: What skill must the student Mastery: How does the student student need to know to demonstrate this standard? demonstrate? demonstrate the earning of the standard? Describe rotations and What types of reflections that carry a transformations can be done rectangle, parallelogram, in a plane? trapezoid, or regular polygon that maps each figure onto itself. Illustrate how a figure is mapped onto itself by simply using a transformation without changing the shape or size of the figure. 6 Back to Table of Contents Pike County School District Standards Mastery Document High School Geometry Congruence (G.CO) Standard: G.CO.4 Develop definitions of rotations, reflections and translations in terms of angles, circles, perpendicular lines, parallel lines and line segments. Enduring Skills: MP.3 Construct viable arguments and critique the reasoning of others. Know: What content does the Do: What skill must the student Mastery: How does the student student need to know to demonstrate this standard? demonstrate? demonstrate the earning of the standard? Define angles, circles, perpendicular and parallel lines, and line segments. Define rotations, reflections, and translations. Develop definitions of rotations, reflections, and translations in terms of angles, circles, perpendicular lines, parallel lines, and line segments. Create accurate definitions of rotations, reflections, and translations. 7 Back to Table of Contents Pike County School District Standards Mastery Document High School Geometry Congruence (G.CO) Standard: G.CO.5 Given a geometric figure and a rotation, reflection or translation, draw the transformed figure using, e.g. graph paper, tracing paper or geometry software. Specify a sequence of transformations that will carry a given figure onto another. Enduring Skills: MP.3 Construct viable arguments and critique the reasoning of others. MP.5 Use appropriate tools strategically. MP.6 Attend to precision. MP.8 Look for and express regularity in repeated reasoning. Know: What content does the Do: What skill must the student Mastery: How does the student student need to know to demonstrate this standard? demonstrate? demonstrate the earning of the standard? Draw a transformed figure. How to transform a geometric figure. Identify the sequence of transformations that carries Specify the sequence of transformations that were used a figure onto another. to carry the given figure onto the other. 8 Back to Table of Contents Pike County School District Standards Mastery Document High School Geometry Congruence (G.CO) Standard: G.CO.6 Use geometric descriptions of rigid motions to transform figure and to predict the effect of a given rigid motion on a given figure; given two figures, use the definition of congruence in terms of rigid motions to decide if they are congruent. Enduring Skills: MP.3 Construct viable arguments and critique the reasoning of others. MP.5 Use appropriate tools strategically. MP.7 Look for and make use of structure. Know: What content does the Do: What skill must the student Mastery: How does the student student need to know to demonstrate this standard? demonstrate? demonstrate the earning of the standard? How can I use rigid motions to understand congruence? Use geometric descriptions of rigid motions to transform figures. Use geometric descriptions of rigid motions to predict the effect of a given motion on a given figure. Use rigid motions to transform figures and predict the effect the motion has on a specific feature. Determine when two figures are congruent. Determine if two figures are congruent using the definition of congruence in terms of rigid motions. 9 Back to Table of Contents Pike County School District Standards Mastery Document High School Geometry Congruence (G.CO) Standard: G.CO.7 Use the definition of congruence in terms of rigid motions to show that two triangles are congruent if and only if corresponding pairs of sides and corresponding pairs of angles are congruent. Enduring Skills: MP.3 Construct viable arguments and critique the reasoning of others. Know: What content does the Do: What skill must the student Mastery: How does the student student need to know to demonstrate this standard? demonstrate? demonstrate the earning of the standard? How can I use rigid motions to understand congruence? How to identify corresponding angles and sides after transformations. Identify corresponding angles and sides of two triangles. Identify corresponding angles and sides of triangles. Justify congruency of two triangles using transformations. Use corresponding sides and angles to justify triangle congruency. Use the definition of congruence in terms of rigid motion to show that two triangles are congruent if corresponding pairs of sides and corresponding pairs of angles are congruent. 10 Back to Table of Contents Pike County School District Standards Mastery Document High School Geometry S Congruence (G.CO) tandard: G.CO.8 Explain how the criteria for triangle congruence (ASA, SAS, SSS) follow from the definition of congruence in terms of rigid motions. Enduring Skills: MP.1 Make sense of problems and persevere in solving them. MP.3 Construct viable arguments and critique the reasoning of others. MP.7 Look for and make use of structure. MP.8 Look for and express regularity in repeated reasoning. Know: What content does the Do: What skill must the student Mastery: How does the student student need to know to demonstrate this standard? demonstrate? demonstrate the earning of the standard? Define congruence. Understand triangle congruence criteria (ASA, SSS, and SAS). Informally use rigid motions to take angles to angles and segments to segments. Use dynamic geometric software, straightedge, and compass to take angles to angles and segments to segments. Explain how the criteria for triangle congruence (ASA, SAS, SSS) follows from the definition of congruence in terms of rigid motions. 11 Back to Table of Contents Pike County School District Standards Mastery Document High School Geometry Congruence (G.CO) Standard: G.CO.9 Prove theorems about lines and angles. Theorems include: vertical angles are congruent; when a transversal crosses parallel lines, alternate interior angles are congruent and corresponding angles are congruent; points on a perpendicular bisector of a line segment are exactly those equidistant from the segment’s endpoints. Enduring Skills: MP.1 Make sense of problems and persevere in solving them. MP.2 Reason abstractly and quantitatively MP.3 Construct viable arguments and critique the reasoning of others. MP.6 Attend to precision. MP.7 Look for and make use of structure. MP.8 Look for and express regularity in repeated reasoning. Know: What content does the Do: What skill must the student Mastery: How does the student student need to know to demonstrate this standard? demonstrate? demonstrate the earning of the standard? What strategy can be used to prove geometric theorems? Understand the properties of vertical angles, parallel lines with transversals, all angle relationships, corresponding angles, perpendicular lines, and equidistant from endpoint. Prove vertical angles are congruent. Prove corresponding angles are congruent when two parallel lines are cut by a transversal and converse. Prove alternate interior angles are congruent when two parallel lines are cut by a transversal and converse. Prove theorems pertaining to lines and angles. Prove vertical angles congruent. Prove when a transversal crosses parallel lines, alternate interior angles are congruent and corresponding angles are congruent. Prove points are on a perpendicular bisector of a line Prove points on a segment are exactly equidistant perpendicular bisector of a line segment are exactly from the segment’s endpoint. equidistant from the segment’s endpoints. 12 Back to Table of Contents Pike County School District Standards Mastery Document High School Geometry Congruence (G.CO) Standard: G.CO.10 Prove theorems about triangles. Theorems include: measures of interior angles of a triangle sum to 180°; base angles of isosceles triangles are congruent; the segment joining midpoints of two sides of a triangle is parallel to the third side and half the length; the medians of a triangle meet at a point. Enduring Skills: MP.1 Make sense of problems and persevere in solving them. MP.3 Construct viable arguments and critique the reasoning of others. MP.7 Look for and make use of structure. MP.8 Look for and express regularity in repeated reasoning. Know: What content does the Do: What skill must the student Mastery: How does the student student need to know to demonstrate this standard? demonstrate? demonstrate the earning of the standard? Understand hypothesis and conclusion of a theorem. Understand properties of triangles that can be used to prove theorems. Prove theorems pertaining to triangles. Design an argument to prove theorems about triangles. Prove the measures of interior angles of a triangle have a sum of 180o. Analyze components of a theorem. Prove base angles of isosceles triangles are congruent. Prove theorems about triangles. Prove the segment joining midpoints of two sides of a triangle is parallel to the third side and half the length. Prove the medians of a triangle meet at a point. Analyze components of a theorem. 13 Back to Table of Contents Pike County School District Standards Mastery Document High School Geometry Congruence (G.CO) Standard: G.CO.11 Prove theorems about parallelograms. Theorems include: opposite sides are congruent, opposite angles are congruent, the diagonals of a parallelogram bisect each other, and conversely, rectangles are parallelograms with congruent diagonals. Enduring Skills: MP.1 Make sense of problems and persevere in solving them. MP.3 Construct viable arguments and critique the reasoning of others. MP.7 Look for and make use of structure. Know: What content does the Do: What skill must the student Mastery: How does the student student need to know to demonstrate this standard? demonstrate? demonstrate the earning of the standard? What are the types of quadrilaterals? Understand properties of parallelograms. Prove theorems pertaining to parallelograms. Prove opposite sides of parallelograms are congruent. Prove opposite sides of parallelograms are congruent. Classify types of quadrilaterals. Explain theorems for parallelograms and relate to figures. Prove the diagonals of a parallelogram bisect each other, and conversely, rectangles are parallelograms with congruent diagonals. Use the principle that corresponding parts of congruent triangles are congruent to solve problems. Use properties of special quadrilaterals in a proof. 14 Back to Table of Contents Pike County School District Standards Mastery Document High School Geometry Congruence (G.CO) Standard: G.CO.12 Make formal geometric constructions with a variety of tools and methods (compass and straightedge, string, reflective devices, paper folding, dynamic geometric software, etc.). Copying a segment; copying an angle; bisecting a segment; bisecting an angle; constructing perpendicular lines, including the perpendicular bisector of a line segment; and constructing a line parallel to a given line through a point not on the line. Enduring Skills: MP.4 Model with mathematics. MP.5 Use appropriate tools strategically. MP.6 Attend to precision. Know: What content does the Do: What skill must the student Mastery: How does the student student need to know to demonstrate this standard? demonstrate? demonstrate the earning of the standard? Copy a segment. What tools can we use to construct geometric figures? Copy an angle. Perform geometric constructions using a variety of tools and methods. Bisect a segment. Bisect an angle. Construct perpendicular lies, including the perpendicular bisector of a line segment. Construct a line parallel to a given line through a point not on the line. 15 Back to Table of Contents Pike County School District Standards Mastery Document High School Geometry Congruence (G.CO) Standard: G.CO.13 Construct an equilateral triangle, a square and a regular hexagon inscribed in a circle. Enduring Skills: MP.4 Model with mathematics. Know: What content does the Do: What skill must the student Mastery: How does the student student need to know to demonstrate this standard? demonstrate? demonstrate the earning of the standard? What tools can we use to construct geometric figures? Construct an equilateral triangle so that each vertex of the equilateral triangle is on the same circle. Construct an equilateral triangle, square, and regular hexagon inscribed in a circle. Construct a square so that each vertex of the square is on the same circle. Construct a regular hexagon so that each vertex of the regular hexagon is on the same circle. 16 Back to Table of Contents Pike County School District Standards Mastery Document High School Geometry Similarity, Right Triangles, and Trigonometry (G.SRT) Standard: G.SRT.1a Verify experimentally the properties of dilations given by a center and a scale factor. a. A dilation takes a line not passing through the center of the dilation to a parallel line, and leaves a line passing through the center unchanged. 1b - Verify experimentally the properties of dilations given by a center and a scale factor. b. The dilation of a line segment is longer or shorter in the ratio given by the scale factor. Enduring Skills: MP.1 Make sense of problems and persevere in solving them. MP.2 Reason abstractly and quantitatively MP.3 Construct viable arguments and critique the reasoning of others. MP.6 Attend to precision. MP.7 Look for and make use of structure. Know: What content does the Do: What skill must the student Mastery: How does the student student need to know to demonstrate this standard? demonstrate? demonstrate the earning of the standard? How can transformations help me to understand similarity? Define image, pre-image, scale factor, center, and similar figures as they relate to transformations. Verify experimentally that a dilated image is similar to its pre-image by showing congruent corresponding angles and proportional sides. Verify experimentally that a dilation takes a line not passing through the center of the dilation to a parallel line by showing the lines are parallel. Verify experimentally that dilation leaves a line passing through the center of the dilation unchanged, by showing that it is the same line. Given a center and a scale factor, verify experimentally, that when dilating a figure in a coordinate plane, a segment of the pre-image that does not pass through the center of the dilation, is parallel to it’s image when the dilation is performed. Given a center and a scale factor, verify experimentally, that when performing dilations of a line segment, the pre-image, the segment which becomes the image is no longer or shorter based on the ratio given by the scale factor. 17 Back to Table of Contents Pike County School District Standards Mastery Document High School Geometry Similarity, Right Triangles, and Trigonometry (G.SRT) Standard: G.SRT.2 Given two figures, use the definition of similarity in terms of similarity transformations to decide if they are similar; explain using similarity transformations the meaning of similarity for triangles as the equality of all corresponding pairs of angles and the proportionality of all corresponding pairs of sides. Enduring Skills: MP.1 Make sense of problems and persevere in solving them. MP.3 Construct viable arguments and critique the reasoning of others. MP.6 Attend to precision. Know: What content does the Do: What skill must the student Mastery: How does the student student need to know to demonstrate this standard? demonstrate? demonstrate the earning of the standard? Definition of similarity. How are dilation transformations and similarity related? Given two figures, decide if they are similar by using the definition of similarity in terms of similarity transformations. Explain that triangles are similar if all pairs of corresponding angles are congruent and all corresponding pairs of sides are proportional. 18 Back to Table of Contents Pike County School District Standards Mastery Document High School Geometry Similarity, Right Triangles, and Trigonometry (G.SRT) Standard: G.SRT.3 Use the properties of similarity transformations to establish the AA criterion for two triangles to be similar. Enduring Skills: MP.1 Make sense of problems and persevere in solving them. MP.3 Construct viable arguments and critique the reasoning of others. Know: What content does the Do: What skill must the student Mastery: How does the student student need to know to demonstrate this standard? demonstrate? demonstrate the earning of the standard? Extend the properties of Understand the properties similarity transformations to of similarity transformations. the general case of any two similar triangles to establish the AA criterion for similarity of triangles. Recall the properties of similarity and transformations. Establish the AA criterion for similarity of triangles by extending the properties of similarity transformations to the general case of any two similar triangles. 19 Back to Table of Contents Pike County School District Standards Mastery Document High School Geometry Similarity, Right Triangles, and Trigonometry (G.SRT) Standard: G.SRT.4 Prove theorems about triangles. Theorems include: a line parallel to one side of a triangle divides the other two proportionally, and conversely; the Pythagorean Theorem proved using triangle similarity. Enduring Skills: MP.3 Construct viable arguments and critique the reasoning of others. Know: What content does the Do: What skill must the student Mastery: How does the student student need to know to demonstrate this standard? demonstrate? demonstrate the earning of the standard? Understand postulates and theorems about triangles. Prove theorems involving similarity about triangles. Use AA, SAS, SSS similarity theorems to prove triangles are similar. Prove theorems involving similarity about triangles. Use triangle similarity to prove other theorems about triangles. Prove a parallel line to one side of a triangle divides the other two proportionally, and it’s converse. Prove the Pythagorean Theorem using triangle similarity. 20 Back to Table of Contents Pike County School District Standards Mastery Document High School Geometry Similarity, Right Triangles, and Trigonometry (G.SRT) Standard: G.SRT.5 Use congruence and similarity criteria for triangles to solve problems and to prove relationships in geometric figures. Enduring Skills: MP.1 Make sense of problems and persevere in solving them. MP.3 Construct viable arguments and critique the reasoning of others. Know: What content does the Do: What skill must the student Mastery: How does the student student need to know to demonstrate this standard? demonstrate? demonstrate the earning of the standard? Recall congruence and similarity criteria for triangles. Use congruency and similarity theorems for triangles to solve problems. Use congruency and similarity theorems for triangles to prove relationships in geometric theorems. Using similarity theorems, students prove that two triangles are congruent. Prove geometric figures, other than triangles, are similar and/or congruent. Prove geometric figures, other than triangles, are similar and/or congruent. 21 Back to Table of Contents Pike County School District Standards Mastery Document High School Geometry Similarity, Right Triangles, and Trigonometry (G.SRT) Standards: G.SRT.6 Understand that by similarity, side ratios in right triangles are properties of the angles in the triangle, leading to definitions of trigonometric ratios for acute angles. Enduring Skills: MP.3 Construct viable arguments and critique the reasoning of others. MP.8 Look for and express regularity in repeated reasoning. Know: What content does the Do: What skill must the student Mastery: How does the student student need to know to demonstrate this standard? demonstrate? demonstrate the earning of the standard? How to name the sides of right triangles. Recognize that triangles are similar. Name the sides of right triangles as related to an acute angle. Recognize that if two right triangles have a pair of acute, congruent angles, and the triangles are similar. Using a corresponding angle of similar right triangles, show that the relationships of the side ratios are the same, which leads to the definition of trigonometric ratios for acute angles. 22 Back to Table of Contents Pike County School District Standards Mastery Document High School Geometry Similarity, Right Triangles, and Trigonometry (G.SRT) Standards: G.SRT.7 Explain and use the relationship between the sine and cosine of complementary angles. Enduring Skills: MP.3 Construct viable arguments and critique the reasoning of others. MP.8 Look for and express regularity in repeated reasoning. Know: What content does the Do: What skill must the student Mastery: How does the student student need to know to demonstrate this standard? demonstrate? demonstrate the earning of the standard? How do trigonometric ratios help in solving problems involving right triangles? Explore the sine of an acute angle and the cosine of its complement and determine their relationship. Explain how the sine and cosine of complementary angles are related to each other. 23 Back to Table of Contents Pike County School District Standards Mastery Document High School Geometry Similarity, Right Triangles, and Trigonometry (G.SRT) Standard: G.SRT.8 Use trigonometric ratios and the Pythagorean Theorem to solve right triangles in applied problems. Enduring Skills: MP.4 Model with mathematics. MP.7 Look for and make use of structure. Know: What content does the Do: What skill must the student Mastery: How does the student student need to know to demonstrate this standard? demonstrate? demonstrate the earning of the standard? Which methods could be used to solve right triangles in applied problems? Solve for an unknown angle or side of a right triangle using sine, cosine, and tangent. Apply both trigonometric ratios and Pythagorean Theorem to solve application problems involving right triangles. Apply both trigonometric ratios and Pythagorean Theorem to solve application problems involving right triangles. 24 Back to Table of Contents Pike County School District Standards Mastery Document High School Geometry Similarity, Right Triangles, and Trigonometry (G.SRT) Standard: G.SRT.9 (+) Derive the formula A = 1/2 ab sin(C) for the area of a triangle by drawing an auxiliary line from a vertex perpendicular to the opposite side. Enduring Skills: MP.4 Model with mathematics. MP.7 Look for and make use of structure. Know: What content does the Do: What skill must the student Mastery: How does the student student need to know to demonstrate this standard? demonstrate? demonstrate the earning of the standard? Draw an auxiliary line from a How does trigonometry help vertex, perpendicular to the in solving problems involving opposite side. general triangles? Derive the formula A= ½ ab sinC for the area of a triangle. Draw an auxiliary line from a vertex, perpendicular to the opposite side. Derive the formula A= ½ ab sinC for the area of a triangle. 25 Back to Table of Contents Pike County School District Standards Mastery Document High School Geometry Similarity, Right Triangles, and Trigonometry (G.SRT) Standard: G.SRT.10 (+) Prove the Laws of Sines and Cosines and use them to solve problems. Enduring Skills: MP.1 Make sense of problems and persevere in solving them. MP.3 Construct viable arguments and critique the reasoning of others. MP.6 Attend to precision. Know: What content does the Do: What skill must the student Mastery: How does the student student need to know to demonstrate this standard? demonstrate? demonstrate the earning of the standard? Prove the Law of Sines. The Law of Sines and Cosines. How to apply the Law of Sines and Cosines to find missing angles and sides. Prove the Law of Cosines. Use the Law of Sines to solve problems. Find missing angles and sides of Use the Law of Cosines to solve problems. triangles. 26 Back to Table of Contents Pike County School District Standards Mastery Document High School Geometry Similarity, Right Triangles, and Trigonometry (G.SRT) Standard: G.SRT.11 (+) Understand and apply the Law of Sines and the Law of Cosines to find unknown measurements in right and non-right triangles (e.g., surveying problems, resultant forces). Enduring Skills: MP.1 Make sense of problems and persevere in solving them. MP.4 Model with mathematics. MP.6 Attend to precision. Know: What content does the Do: What skill must the student Mastery: How does the student student need to know to demonstrate this standard? demonstrate? demonstrate the earning of the standard? Apply the Law of Sines and Cosines to find unknown measurements in right and non-right triangles. Find unknown measurements in right and non-right triangles using the Law of Sines and/or Law of Cosines. The Law of Sines and Cosines. How to apply the Law of Sines and Cosines to find missing angles and sides.. 27 Back to Table of Contents Pike County School District Standards Mastery Document High School Geometry Modeling with Geometry (G.MG) Standard: G.MG.1 Use geometric shapes, their measures, and their properties to describe objects (e.g., modeling a tree trunk or a human torso as a cylinder).*(*Modeling Standard) Enduring Skills: MP.4 Model with mathematics. MP.7 Look for and make use of structure Know: What content does the Do: What skill must the student Mastery: How does the student student need to know to demonstrate this standard? demonstrate? demonstrate the earning of the standard? Classify a real-world object as a How to relate geometric known geometric shape. shapes to real-world objects. Solve real-world problems involving geometric shapes. Given a real-world object, classify the object as a known geometric shape – use this to solve problems in context. Use geometric shapes, their measures, and their properties to describe objects. 28 Back to Table of Contents Pike County School District Standards Mastery Document High School Geometry Modeling with Geometry (G.MG) Standard: G.MG.2 Apply concepts of density based on area and volume in modeling situations (e.g., persons per square mile, BTUs per cubic foot).* (*Modeling Standard) Enduring Skills: MP.4 Model with mathematics. MP.7 Look for and make use of structure. Know: What content does the Do: What skill must the student Mastery: How does the student student need to know to demonstrate this standard? demonstrate? demonstrate the earning of the standard? Apply concepts of density based on area and volume to model real-world situations.. Use the concept of density when referring to situations involving area and volume models, such as persons per square mile. *Definition of density. 29 Back to Table of Contents Pike County School District Standards Mastery Document High School Geometry Modeling with Geometry (G.MG) Standard: G.MG.3 - Apply geometric methods to solve design problems (e.g., designing an object or structure to satisfy physical constraints or minimize cost; working with typographic grid systems based on ratios).*(*Modeling Standard) Enduring Skills: MP.1 Make sense of problems and persevere in solving them. MP.4 Model with mathematics. Know: What content does the Do: What skill must the student Mastery: How does the student student need to know to demonstrate this standard? demonstrate? demonstrate the earning of the standard? Apply geometric methods to solve design problems. Solve design problems by designing an object or structure that satisfies certain constraints, such as minimizing cost or working with a grid system based on ratios. Describe a topographical design system. Use simulation software and How can geometric concepts modeling software to explore be used to describe objects which model best describes a found in nature? set of data or situation. 30 Back to Table of Contents Pike County School District Standards Mastery Document High School Geometry Geometric Measurement and Dimension (G.GMD) Standard: G.GMD.1 Give an informal argument for the formulas for the circumference of a circle, area of a circle, volume of a cylinder, pyramid, and cone. Use dissection arguments, Cavalieri’s principle, and informal limit arguments Enduring Skills: MP.3 Construct viable arguments and critique the reasoning of others. MP.4 Model with mathematics MP.5 Use appropriate tools strategically. Know: What content does the Do: What skill must the student Mastery: How does the student student need to know to demonstrate this standard? demonstrate? demonstrate the earning of the standard? Explain the formulas for the circumference of a circle and the area of a circle by determining the meaning of each term or factor. Give an informal argument for the formulas for circumference and area of a circle. How do the properties of circles provide a basis for explaining volume formulas and solving problems? Give an informal argument Explain the formulas for the for the formulas for the volume of a cylinder, pyramid, volume of a cylinder, and cone by determining the pyramid, and cone. meaning of each term or factor. 31 Back to Table of Contents Pike County School District Standards Mastery Document High School Geometry Geometric Measurement and Dimension (G.GMD) Standard: G.GMD.2 (+) Give an informal argument using Calvalieri’s principle for the formulas for the volume of a sphere and other solid figures. Enduring Skills: MP.3 Construct viable arguments and critique the reasoning of others. MP.4 Model with mathematics MP.5 Use appropriate tools strategically. Know: What content does the Do: What skill must the student Mastery: How does the student student need to know to demonstrate this standard? demonstrate? demonstrate the earning of the standard? Using Cavalieri’s Principle, provide informal arguments to develop the formulas for the volume of spheres and other solid figures. Give an informal argument using Cavalieri’s principle for the formula for the volume of a sphere and other solid figures. How do the properties of circles provide a basis for explaining volume formulas and solving problems? 32 Back to Table of Contents Pike County School District Standards Mastery Document High School Geometry Geometric Measurement and Dimension (G.GMD) Standard: G.GMD.3 Use volume formulas for cylinders, pyramids, cones, and spheres to solve problems.*(*Modeling Standard) Enduring Skills: MP.4 Model with mathematics MP.6 Attend to precision. Know: What content does the Do: What skill must the student Mastery: How does the student student need to know to demonstrate this standard? demonstrate? demonstrate the earning of the standard? Solve problems using volume formulas for cylinders, pyramids, cones, and spheres. Use volume formulas for cylinders, pyramids, cones, and spheres to solve contextual problems. Formulas for volume for various figures 33 Back to Table of Contents Pike County School District Standards Mastery Document High School Geometry Geometric Measurement and Dimension (G.GMD) Standard: G.GMD.4 Identify the shapes of two-dimensional cross-sections of three-dimensional objects, and identify three-dimensional objects generated by rotations of two-dimensional objects Enduring Skills: MP.2 Reason abstractly and quantitatively. MP.4 Model with mathematics Know: What content does the Do: What skill must the student Mastery: How does the student student need to know to demonstrate this standard? demonstrate? demonstrate the earning of the standard? Given a three-dimensional object, identify the shape made when the object is cut into cross-sections. Relate the shapes of twodimensional cross-sections to their three-dimensional objects. When rotating a twodimensional figure, such as a square, know the threedimensional figure that is generated, such as a cylinder. Discover three-dimensional objects generated by rotations of two-dimensional objects. Strategies to help visualize relationships between twodimensional and threedimensional objects. Understand that the crosssection of a solid is an intersection of a plane (twodimensional) and a solid (threedimensional). 34 Back to Table of Contents Pike County School District Standards Mastery Document High School Geometry Expressing Geometric Properties with Equations (G.GPE) Standard: G.GPE.1 Derive the equation of a circle of given center and radius using the Pythagorean Theorem; complete the square to find the center and radius of a circle given by an equation. Enduring Skills: MP.7 Look for and make use of structure. MP.8 Look for and express regularity in repeated reasoning. Know: What content does the Do: What skill must the student Mastery: How does the student student need to know to demonstrate this standard? demonstrate? demonstrate the earning of the standard? Use the Pythagorean Theorem to derive the equation of a circle, given the center and the radius. Derive equation of a circle using the Pythagorean Theorem, given coordinates of the center and length of the radius, Definition of a circle. Know the Pythagorean Theorem. How to complete the square of a quadratic equation. Given an equation of a circle, complete the square to find the Determine the center and center and radius of a circle. radius of a circle by completing the square. 35 Back to Table of Contents Pike County School District Standards Mastery Document High School Geometry Expressing Geometric Properties with Equations (G.GPE) Standard: G.GPE.2 Derive the equation of a parabola given a focus and a directix. Enduring Skills: MP.7 Look for and make use of structure. MP.8 Look for and express regularity in repeated reasoning. Know: What content does the Do: What skill must the student Mastery: How does the student student need to know to demonstrate this standard? demonstrate? demonstrate the earning of the standard? Given a focus and directrix, derive the equation of a parabola. Derive the equation of a parabola given the focus and directix. Given a parabola, identify the vertex, focus, directrix, and axis of symmetry, noting that every point on the parabola is the same distance from the focus and the directrix. Given a parabola, identify the vertex, focus, directrix, and axis of symmetry, noting that every point on the parabola is the same distance from the focus and the directrix. How can a focus and directrix help in the derivation of the equation of a parabola? Define a parabola including the relationship of the focus and the equation of the directrix to the parabolic shape. 36 Back to Table of Contents Pike County School District Standards Mastery Document High School Geometry Expressing Geometric Properties with Equations (G.GPE) Standard: G.GPE.3 (+) Derive the equations of ellipses and hyperbolas given the foci, using the fact that the sum or difference of distances from the foci is constant. Enduring Skills: MP.7 Look for and make use of structure. MP.8 Look for and express regularity in repeated reasoning Know: What content does the Do: What skill must the student Mastery: How does the student student need to know to demonstrate this standard? demonstrate? demonstrate the earning of the standard? Derive the equations of ellipses given the foci, using the fact that the sum of distances from the foci is constant. Given the foci, derive the equation of an ellipse, noting that the sum of the distances from the foci to any fixed point on the ellipse is constant, identifying that major and minor axis. Use definitions of conic sections and the Pythagorean Theorem to derive equations. Derive the equations of hyperbolas given the foci, using the fact that the difference of distances from the foci is constant. Given the foci, derive the equation on a hyperbola, noting that the absolute value of the differences of the distances form the foci to a point on the hyperbola is constant, and identifying the vertices, center, transverse axis, conjugate axis, and asymptotes. 37 Back to Table of Contents Pike County School District Standards Mastery Document High School Geometry Expressing Geometric Properties with Equations (G.GPE) Standard: G.GPE.4 Use coordinates to prove simple geometric theorems algebraically. For example, prove or disprove that a figure defined by four given points in the coordinate plane is a rectangle; prove or disprove that the point (1, √3) lies on the circle centered at the origin and containing the point (0, 2). Enduring Skills: MP.2 Reason abstractly and quantitatively. MP.3 Construct viable arguments and critique the reasoning of others. Know: What content does the Do: What skill must the student Mastery: How does the student student need to know to demonstrate this standard? demonstrate? demonstrate the earning of the standard? Recall previous understandings of coordinate geometry including distance, midpoint, and slope formulas, equation of a line, definitions of parallel and perpendicular lines. Derive the equation of a line through 2 points using similar right triangles. Use coordinates to prove simple geometric theorems algebraically. Derive simple proofs involving circles. Derive the equation of a line through 2 points using similar right triangles. Derive simple proofs involving circles. 38 Back to Table of Contents Pike County School District Standards Mastery Document High School Geometry Expressing Geometric Properties with Equations (G.GPE) Standard: G.GPE.5 Prove the slope criteria for parallel and perpendicular lines and use them to solve geometric problems (e.g., find the equation of a line parallel or perpendicular to a given line that passes through a given point). Enduring Skills MP.2 Reason abstractly and quantitatively. MP.3 Construct viable arguments and critique the reasoning of others Know: What content does the Do: What skill must the student Mastery: How does the student student need to know to demonstrate this standard? demonstrate? demonstrate the earning of the standard? Recognize that slopes of parallel lines are equal. Find the equation of a line parallel to a given line that passes through a given point. Using slope, prove lines are parallel or perpendicular. Recognize that slopes of perpendicular lines are opposite reciprocals. Find the equation of a line perpendicular to a given line that passes through a given point. Find equations of lines based on certain slope criteria such as; finding the equation of a line parallel or perpendicular to a given line that passes through a given point. Prove the slope criteria for parallel and perpendicular lines and use them to solve geometric problems. 39 Back to Table of Contents Pike County School District Standards Mastery Document High School Geometry Expressing Geometric Properties with Equations (G.GPE) Standard: G.GPE.6 Find the point on a directed line segment between two given points that partitions the segment in a given ratio. Enduring Skills: MP.2 Reason abstractly and quantitatively. Know: What content does the Do: What skill must the student Mastery: How does the student student need to know to demonstrate this standard? demonstrate? demonstrate the earning of the standard? Recall the definition of ratio. Given a line segment (including those with positive and negative slopes) and a ratio, find the point on the segment that partitions the segment into the given ratio. Given two points (line segment), find the point on the line segment between the two points that divides the segment into a given ratio. Recall previous understandings of coordinate geometry. 40 Back to Table of Contents Pike County School District Standards Mastery Document High School Geometry Expressing Geometric Properties with Equations (G.GPE) Standard: G.GPE.7 Use coordinates to compute perimeters of polygons and area of triangles and rectangles, e.g., using the distance formula.*(*Modeling Standard) Enduring Skills: MP.2 Reason abstractly and quantitatively. MP.5 Use appropriate tools strategically. MP.6 Attend to precision. Know: What content does the Do: What skill must the student Mastery: How does the student student need to know to demonstrate this standard? demonstrate? demonstrate the earning of the standard? Understand how the coordinates of the vertices of a polygon, triangle, and rectangle relate to find perimeter and area. Formulate a model of figures in contextual problems to compute area and/or perimeter. Use the coordinates of the vertices of a polygon to find the necessary dimensions for finding the perimeter. Use the coordinates of the vertices of a triangle to find the necessary dimensions for finding the area. Use the coordinates of the vertices of a rectangle to find the necessary dimensions for finding the area 41 Back to Table of Contents Pike County School District Standards Mastery Document High School Geometry Circles (G.C) Standard: G.C.1 Prove that all circles are similar. Enduring Skills: MP.5 Use appropriate tools strategically. MP.8 Look for and express regularity in repeated reasoning. Know: What content does the Do: What skill must the student Mastery: How does the student student need to know to demonstrate this standard? demonstrate? demonstrate the earning of the standard? Recognize when figures are similar. Compare the ratio of the circumference of a circle to the diameter of the circle. Use the fact that the ratio of diameter to circumference is the same for circles, prove that all circles are similar. Discuss, develop, and justify the ratio of the circumference of a circle to the diameter of the circle for several circles. Determine that the ratio of diameter to circumference is constant for all circles. 42 Back to Table of Contents Pike County School District Standards Mastery Document High School Geometry Circles (G.C) Standard: G.C.2 Identify and describe relationships among inscribed angles, radii, and chords. Include the relationship between central, inscribed, and circumscribed angles; inscribed angles on a diameter are right angles; the radius of a circle is perpendicular to the tangent where the radius intersects the circle. Enduring Skills: MP.2 Reason abstractly and quantitatively. MP.7 Look for and make use of structure. Know: What content does the Do: What skill must the student Mastery: How does the student student need to know to demonstrate this standard? demonstrate? demonstrate the earning of the standard? Identify inscribed angles, radii, central angles, circumscribed angles, diameter, and tangent. Examine the relationship between central, inscribed, and circumscribed angles by applying theorems and their measures. Using definitions, properties, and theorems, identify and describe relationships among inscribed angles, radii, and chords. Include central, inscribed, and circumscribed angles. Recognize that inscribed angles on a diameter are right angles. Recognize that radius of a circle is perpendicular to the radius at the point of tangency. Understand that inscribed angles on a diameter are right angles. Understand that the radius of a circle is perpendicular to the tangent where the radius intersects the circle. 43 Back to Table of Contents Pike County School District Standards Mastery Document High School Geometry Circles (G.C) Standard: G.C.3 Construct the inscribed and circumscribed circles of a triangle, and prove properties of angles for a quadrilateral inscribed in a circle. Enduring Skills: MP.4 Model with mathematics MP.5 Use appropriate tools strategically. MP.6 Attend to precision. Know: What content does the Do: What skill must the student Mastery: How does the student student need to know to demonstrate this standard? demonstrate? demonstrate the earning of the standard? Define inscribed and circumscribed circles of a triangle. Prove properties of angles for a quadrilateral inscribed in a circle. Construct inscribed circles of a triangle. Recall midpoint and bisector definitions. Define a point of concurrency. Use geometric simulation software to make geometric constructions. Construct circumscribed circles of a triangle. Using definitions, properties, and theorems, prove properties of angles for a quadrilateral inscribed in a circle. 44 Back to Table of Contents Pike County School District Standards Mastery Document High School Geometry Circles (G.C) Standard: G.C.4 (+) Construct a tangent line from a point outside a given circle to the circle. Enduring Skills: MP.5 Use appropriate tools strategically. Know: What content does the Do: What skill must the student Mastery: How does the student student need to know to demonstrate this standard? demonstrate? demonstrate the earning of the standard? Define tangent, radius, perpendicular bisector, and midpoint. Construct the perpendicular bisector of the line segment between the center, C, to the outside point, P. Synthesize the theory that applies to circles that tangents drawn from common external points are congruent. Identify the center of the circle. Construct arcs on circle C from the midpoint Q, having length of CQ. Construct a tangent line. Synthesize the theory that applies to circles that a radius is perpendicular to a tangent at the point of tangency. 45 Back to Table of Contents Pike County School District Standards Mastery Document High School Geometry Circles (G.C) Standard: G.C.5 Derive using similarity the fact that the length of the arc intercepted by an angle is proportional to the radius, and define the radian measure of the angle as the constant of proportionality; derive the formula for the area of a sector. Enduring Skills: MP.2 Reason abstractly and quantitatively. MP.3 Construct viable arguments and critique the reasoning of others. MP.5 Use appropriate tools strategically. Know: What content does the Do: What skill must the student Mastery: How does the student student need to know to demonstrate this standard? demonstrate? demonstrate the earning of the standard? Recall how to find the area and circumference of a circle. Justify the radii of any two circles (r1 and r2) and the arc lengths (s1 and s2) determined by congruent central angles are proportional. Find the arc length of a circle. Recall that all circles are similar. Explain that radians 1o= pi/18- Verify that the constant of a proportion is the same as the radian measure of the given angle. Using similarity, derive the formula for the area of a sector. Find the area od a sector in a circle. Determine the constant of proportionality (scale factor). 46 Back to Table of Contents Pike County School District Standards Mastery Document High School Geometry Conditional Probability and the Rules of Probability (S.CP) Standard: S.CP.1 Describe events as subsets of a sample space (the set of outcomes) using characteristics (or categories) of the outcomes, or as unions, intersections, or complements of other events (“or”, “and”, “not”). Statistics and Probability is a Modeling Conceptual Category. Enduring Skills: MP.2 Reason abstractly and quantitatively. Know: What content does the Do: What skill must the student Mastery: How does the student student need to know to demonstrate this standard? demonstrate? demonstrate the earning of the standard? Define unions, intersections, and complements of events. Describe events as subsets of sample space (the set of outcomes) using characteristics (or categories) of the outcomes, or as unions, intersections, or complements of other events. Define a sample space and events within the sample space. Identify subsets from sample space given defined events, including unions, intersections, and complements of events. 47 Back to Table of Contents Pike County School District Standards Mastery Document High School Geometry Conditional Probability and the Rules of Probability (S.CP) Standard: S.CP.2 Understand that two events A and B are independent if the probability of A and B occurring together is the product of their probabilities, and use this characterization to determine if they are independent. Enduring Skills: MP.2 Reason abstractly and quantitatively. MP.4 Model with mathematics. MP.6 Attend to precision. MP.7 Look for and make use of structure. Know: What content does the Do: What skill must the student Mastery: How does the student student need to know to demonstrate this standard? demonstrate? demonstrate the earning of the standard? Definition of independent events. Understand the properties of Independence and Conditional Probabilities. Categorize events as independent or not. Label events as independent or not. Explain properties of Independence and Conditional Probabilities in context and simple English. 48 Back to Table of Contents Pike County School District Standards Mastery Document High School Geometry Conditional Probability and the Rules of Probability (S.CP) Standard: S.CP.3 Understand the conditional probability of A given B as P(A and B)/P(B), and interpret independence of A and B as saying that the conditional probability of A given B is the same as the probability of A, and the conditional probability of B given A is the same as the probability of B. Enduring Skills: MP.2 Reason abstractly and quantitatively. MP.4 Model with mathematics. MP.6 Attend to precision. MP.7 Look for and make use of structure. Know: What content does the Do: What skill must the student Mastery: How does the student student need to know to demonstrate this standard? demonstrate? demonstrate the earning of the standard? Know the conditional probability of A given B as P(A and B)/P(B). How to define and calculate conditional probabilities. Define and calculate conditional probabilities. Use the Multiplication Principle to decide if two events are independent. Determine if two events are independent or dependent. Calculate conditional probabilities using the Multiplication Principle Calculate conditional probabilities. 49 Back to Table of Contents Pike County School District Standards Mastery Document High School Geometry Conditional Probability and the Rules of Probability (S.CP) Standard: S.CP.4 Construct and interpret two-way frequency tables of data when two categories are associated with each object being classified. Use the two-way table as a sample space to decide if events are independent and to approximate conditional probabilities. For example, collect data from a random sample of students in your school on their favorite subject among math, science, and English. Estimate the probability that a randomly selected student from your school will favor science given that the student is in tenth grade. Do the same for other subjects and compare the results. Enduring Skills: MP.1 Make sense of problems and persevere in solving them. MP.2 Reason abstractly and quantitatively. MP.3 Construct viable arguments and critique the reasoning of others. MP.4 Model with mathematics. MP.5 Use appropriate tools strategically. MP.6 Attend to precision. MP.7 Look for and make use of structure. MP.8 Look for and express regularity in repeated reasoning. Know: What content does the Do: What skill must the student Mastery: How does the student student need to know to demonstrate this standard? demonstrate? demonstrate the earning of the standard? How to use a two way sample space to decide if events are independent and approximate conditional probabilities. Interpret two-way frequency tables of data when two categories are associated with each object being classified. Use two-way frequency tables of data to determine if events are independent and approximate conditional probabilities Develop understanding of independence and conditional probability. 50 Back to Table of Contents Pike County School District Standards Mastery Document High School Geometry Conditional Probability and the Rules of Probability (S.CP) Standard: S.CP.5 Construct and interpret two-way frequency tables of data when two categories are associated with each object being classified. Use the twoway table as a sample space to decide if events are independent and to approximate conditional probabilities. For example, collect data from a random sample of students in your school on their favorite subject among math, science, and English. Estimate the probability that a randomly selected student from your school will favor science given that the student is in tenth grade. Do the same for other subjects and compare the results. Enduring Skills: MP.1 Make sense of problems and persevere in solving them. MP.4 Model with mathematics. MP.6 Attend to precision. MP.8 Look for and express regularity in repeated reasoning. Know: What content does the Do: What skill must the student Mastery: How does the student student need to know to demonstrate this standard? demonstrate? demonstrate the earning of the standard? Recognize and explain the How are independence and concepts of independence and conditional probability conditional probability in related and used to interpret everyday situations data? Relate independence and conditional probability in everyday language and everyday situations. 51 Back to Table of Contents Pike County School District Standards Mastery Document High School Geometry Conditional Probability and the Rules of Probability (S.CP) Standard: S.CP.6 Find the conditional probability of A given B as the fraction of B’s outcomes that also belong to A and interpret the answer in terms of the model. Enduring Skills: MP.4 Model with mathematics. MP.5 Use appropriate tools strategically. MP.7 Look for and make use of structure. MP.8 Look for and express regularity in repeated reasoning. Know: What content does the Do: What skill must the student Mastery: How does the student student need to know to demonstrate this standard? demonstrate? demonstrate the earning of the standard? Definition of conditional probability. How to calculate conditional probabilities. Find the conditional probability of event A and event B. *Interpret answers in terms of the model. Calculate conditional probability of two events. 52 Back to Table of Contents Pike County School District Standards Mastery Document High School Geometry Conditional Probability and the Rules of Probability (S.CP) Standard: S.CP.7 Apply the Addition Rule, P(A or B) = P(A) + P(B) – P(A and B) and interpret the answer in terms of the model. Enduring Skills: MP.4 Model with mathematics. MP.5 Use appropriate tools strategically. MP.7 Look for and make use of structure. MP.8 Look for and express regularity in repeated reasoning. Know: What content does the Do: What skill must the student Mastery: How does the student student need to know to demonstrate this standard? demonstrate? demonstrate the earning of the standard? The definition of mutually exclusive events. How to apply the Addition Rule of probabilities Calculate probabilities using the Addition Rule. Find probabilities using the Addition rule. Interpret answers in terms of the model. 53 Back to Table of Contents Pike County School District Standards Mastery Document High School Geometry Conditional Probability and the Rules of Probability (S.CP) Standard: S.CP.8 (+) Apply the general Multiplication Rule in a uniform probability model, P(A and B) = P(A)P(B|A) = P(B)P(A|B), and interpret the answer in terms of the model. Enduring Skills: MP.4 Model with mathematics. MP.5 Use appropriate tools strategically. MP.7 Look for and make use of structure. Know: What content does the Do: What skill must the student Mastery: How does the student student need to know to demonstrate this standard? demonstrate? demonstrate the earning of the standard? How to use the multiplication rule with correct notation. Calculate probabilities using the General Multiplication Rule. Apply the General Multiplication Rules to calculate probabilities. Apply the General Multiplication Rule in a uniform probability model. Interpret answers in terms of the model. 54 Back to Table of Contents Pike County School District Standards Mastery Document High School Geometry Conditional Probability and the Rules of Probability (S.CP) Standard: S.CP.9 (+) Use permutations and combinations to compute probabilities of compound events and solve problems. Enduring Skills: MP.4 Model with mathematics. MP.5 Use appropriate tools strategically. MP.7 Look for and make use of structure. Know: What content does the Do: What skill must the student Mastery: How does the student student need to know to demonstrate this standard? demonstrate? demonstrate the earning of the standard? How to correctly identify situations that are permutations and those that are combinations. Use permutations and combinations to compute probabilities of compound events and solve problems. Identify permutations and combinations for given situations. Solve problems and find compound probabilities using permutations and combinations 55 Back to Table of Contents Pike County School District Standards Mastery Document High School Geometry Using Probability to Make Decisions (S.MD) Standard: S.MD.6 (+) Use probabilities to make fair decisions (e.g. drawing by lots, using a random number generator.) This unit sets the stage for work in Algebra II, where the ideas of statistical inference are introduced. Evaluating the risks associated with conclusions drawn from sample data (i.e. incomplete information) requires an understanding of probability concepts. Statistics and Probability is a Modeling Conceptual Category Enduring Skills: MP.3 Construct viable arguments and critique the reasoning of others. MP.4 Model with mathematics MP.5 Use appropriate tools strategically. MP.8 Look for and express regularity in repeated reasoning. Know: What content does the Do: What skill must the student Mastery: How does the student student need to know to demonstrate this standard? demonstrate? demonstrate the earning of the standard? How to compute theoretical and experimental probabilities. Recall previous understandings of probability. Use probabilities to make fair decisions. Use random number generators or other probability software. Make decisions based on expected values. Use expected values to compare long term benefits of several situations. Use expected values to compare long term benefits of several situations. 56 Back to Table of Contents Pike County School District Standards Mastery Document High School Geometry Using Probability to Make Decisions (S.MD) Standard: S.MD.7 (+) Analyze decisions and strategies using probability concepts (e.g., product testing, medical testing, pulling a hockey goalie at the end of a game.) Statistics and Probability is a Modeling Conceptual Category. Enduring Skills: MP.1 Make sense of problems and persevere in solving them. MP.2 Reason abstractly and quantitatively. MP.3 Construct viable arguments and critique the reasoning of others. MP.5 Use appropriate tools strategically. Know: What content does the Do: What skill must the student Mastery: How does the student student need to know to demonstrate this standard? demonstrate? demonstrate the earning of the standard? Recall previous understanding of probability. How can I evaluate outcomes of decisions using probability? Analyze decisions and strategies using probability concepts. Analyze decisions and strategies using probability concepts. Explain in context decisions made based on expected values. 57 Back to Table of Contents