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St. Mary's College High School Geometry Content Points, Lines, and Planes and Angles Skills Assessment Essential Questions: A1. Identify and Model points, lines, and planes. A2. Identify collinear and coplanar points, and intersecting lines and planes in space. Write a short essay on the meaning of Geometry and how it used in everyday life. • What notations represent different sets of points? • Why are some important geometric terms left undefined? • How is the distance calculated between two points on a coordinate plane? • What is a polygon? • What is congruence? Is it the same as equals? Big Ideas: • Learning the meaning and use of various geometric terms. • Reviewing the distance formula, and is application to set the foundation for future uses. • Learn to identify the different polygons, and how to find their perimeter. B1. Measure segments and determine accuracy of measurements. B2. Determine two line segments are congruent. Diagnostic check on some basic Algebra skills (Formative Assessment) Review vocabulary terms, and use a vocabulary builder. (Formative Assessment) C1. Calculate the distance between two points using the distance formula. C2. Find the midpoint of a line segment using the midpoint formula. Review nightly homework assignments. D1. Measure and classify angles. D2. Identify congruent angles and angle bisectors. In-class examples, practice, and worksheets. (Formative Assessment) E1. Identify and use special pairs of angles. E2. Identify perpendicular lines. Short quiz. (Summative Assessment) Monitor progress of students during class. (Formative Assessment) F. Identify, name, and find the perimeter of polygons. • Learn the difference and similarities of congruence and equals, and then apply to proofs in the future. G. Distinguish the difference between congruence and equals. Content Reasoning and Proofs Skills Assessment www.curriculummapper.com 1 of 9 Geometry Content Essential Questions: • How are conditional statements related to theorems in geometry? • What is the role of postulates and theorems in building geometry as a mathematical system? • What is a Proof? Why is Proof important? How is proof used in everyday life? Big Ideas: • We use conditional statements to establish a logical process to explain the use of Proofs. - By learning the difference between postulates and theorems, students will be able to determine their use of building a Proof. Skills A. Make conjectures based on inductive reasoning, and find counterexamples. B1. Determine truth values of conjunctions and disjunctions. B2. Construct truth tables. C1. Analyze and write statements in if-then form. C2. Write the converse, inverse, and contrapositive of if-then statements. D. Determine valid conclusions, using the Law of Detachment and the Law of Syllogism. Essential Questions: • What does parallel mean and how is it different from perpendicular? • What is a transversal? Big Ideas: Assessment Short basic skills quiz. Review nightly homework. (Formative Assessment) Monitor progress of students during class. (Formative Assessment) In-class examples, practice and worksheets. (Formative Assessment) Chapter 1 test, with open-ended problems, with critical thinking problems. (Summative Assessment) E. Identify and use basic postulates and theorems to write paragraph proofs. Geometry crossword puzzle. F1. Use algebra to write twocolumn proofs. F2. Use properties of equality and definitions in geometric proofs. Construction problem, going around a lake, to create a line extension using perpendicular lines and bisectors. (Formative Assessment) G. Write proofs involving segment addition and segment congruence. Parallel and Perpendicular Lines St. Mary's College High School H1. Write proofs involving supplementary and complementary angles. H2. Write proofs involving congruent and right angles. Logic Matrix. Chapter 2 Test with open-ended and logic problems, two-column proofs, and critical thinking problems. (Summative Assessment) A1. Identify the relationships between two lines and two planes. A2. Name angles formed by a pair of lines and a transversal. B1. Use the properties of parallel lines and transversals to determine congruent and supplementary www.curriculummapper.com 2 of 9 Geometry Content • The knowledge of parallel and perpendicular lines are demonstrated by the definition of slope on a coordinate plane. Skills angles. B2. Use Algebra to find angle measures. St. Mary's College High School Assessment C. Find slopes of lines, and use it to identify parallel and perpendicular lines. D1. Write an equation in slopeintercept form, of a line, given information about its points, slope or its graph. D2. Solve problems by writing equations. Content Parallel and Perpendicular LInes Skills Assessment Essential Questions: • • How do you prove that two lines are parallel? How is the distance between two parallel lines determined? Big Ideas: • Review nightly homework assignments. E1. Recognize angle conditions that occur with parallel lines. E2. Prove that two lines are parallel based on given angle relationships. In-class examples, practice, and F. Apply the distance formula, find worksheets. the distance between a point and a (Formative Assessment) line, and between two parallel lines. Short basic skills quiz. To calculate the distance between two parallel lines, the distance formula, and knowledge of slope, and perpendicular must be combined. CONGRUENT TRIANGLES Essential Questions: Monitor progress of students during class. (Formative Assessment) In-class critical thinking problems. (Formative Assessment) Chapter 3 test, with open-ended, multiple choice, and critical thinking problems. (Summative Assessment) A. Identify and classify triangles by sides and angles. B. Apply the Angles Sum Theorem and the Exterior Angle Theorems. Chapter 4 test with open-ended problems, two-column proofs, and critical thinking problems. (Summative Assessment) www.curriculummapper.com 3 of 9 Geometry Content • What is a triangle, and how are they classified? • What is necessary to prove congruence between two different triangles? Big Ideas: • • • Triangle play a significant role in geometry, so being able to identify and classify them is essential. Proving triangles are congruent involves the use of theorems, properties, and definitions. Skills St. Mary's College High School Assessment C1. Name and label corresponding parts of congruent triangles. C2. Identify congruence transformation. D. Use the SSS, the SAS, the ASA, and the AAS postulates and theorems to test for triangle congruence. E. Understand that Corresponding Parts of Congruent Triangles are Congruent. (CPCTC) F. Apply properties of isosceles and equilateral triangles. The understanding of congruent parts of a triangle is essential when proving congruence. Content Skills Assessment ESSENTIAL QUESTIONS: A. Identify and classify triangles by sides and by angles. Review nightly homework assignments. • What is a triangle, and how are they classified? B. Apply the Angle Sum and the Exterior Angle Theorems. Monitor progress of students during class. (Formative Assessment) • What is necessary to prove congruence between two different triangles? C1. Name and label corresponding parts of congruent triangles. C2. Identify congruence transformation. Congruent Triangles BIG IDEAS: • Triangles play a significant role in geometry, so being able to identify them is D. Use the SSS, the SAS, the ASA, and the AAS postulates and theorems to test for triangle congruence. Short basic skills quiz. Utilize constructions in class to deepen the understanding of congruent triangles. In-class examples, practice, and worksheets. www.curriculummapper.com 4 of 9 Geometry Content essential. • Proving triangles are congruent involves the use of theorems, properties, and definitions. • The understanding of congruent parts of a triangle is essential in proving congruence. Relationships in Triangles Skills E. Understand that Congruent Parts of Congruent Triangles are Congruent. (CPCTC). F. Apply properties of isosceles and equilateral triangles. A. Identify and apply perpendicular bisectors, angle bisectors, altitudes, and medians in triangles. St. Mary's College High School Assessment (Formative Assessment) Chapter 5 Test with multiple choice and open-ended problems, twocolumn proofs, and critical thinking problems. (Summative Assessment) Cumulative Final Exam on chapters 1-5, with open-ended problems, two-column proofs, and critical thinking problems. (Summative Assessment) ESSENTIAL QUESTIONS: • • B. Recognize and apply properties of inequalities to the measure of angles of a triangle, and to the relationships between angles and sides of a triangle. What are bisectors, medians, and altitudes, and how are they determined? How to determine if a figure C. Use indirect proofs with Algebra is a triangle. and Geometry BIG IDEAS: • • Understand and be able to find the bisectors, medians, and altitudes of a triangle. Application of each to locate the centroid, the circumcenter, and the orthocenter of a triangle. Content D1. Apply the Triangle Inequality Theorem. D2. Determine the shortest distance between a point and a line in a coordinate plane. E. Apply the SAS and the SSS inequality theorems. F. Practice problems for the entire first trimester. Skills Assessment www.curriculummapper.com 5 of 9 Geometry St. Mary's College High School Content Proportions and Similarity Skills Assessment ESSENTIAL QUESTIONS: A1. Write and solve ratios. A2. Solve proportions by using cross products. Review nightly assignments. • • What is a proportion, and how does it relate to triangles? What is similar, and how is similat different from congruent? BIG IDEAS: • • Understand how similar triangles are in proportion. Utilize this understranding to solve problems involving parts of triangles. B. Identify similar polygons and solve problems involving scale factors. C. Identify similar triangles, and apply them to solve problems. D. Divide segments into proportional parts to determine segment lengths. Monitor progress of students during class. Use of daily warm ups, often in groups. (Formative Assessments) Assign Geometry Story to be written, in order to introduce students to upcoming Geometry terms. (Formative Assessment) In-class examples, practice, and worksheets. (Formative assessment) E. Recognize and apply corresponding perimeters, altitudes, angle bisectors, and medians of Perform measuring activity similar triangles to solve problems. demonstrating triangle similarity. Right Triangles & Trigonometry Weekly short basic skills quizzes. ESSENTIAL QUESTION: • • • • What is a right triangle, and what special properties does it have? How is proportion related to the geometric mean? What is the Pythagorean Thereom, and how is it applicable to triangles? What is trigonometry, and how can it be used in real life? BIG IDEAS: • • Understand and apply all special properties of a right triangle. Understand the use of trigonometry in the real world. A. Find the geometric mean between two numbers, and apply the relationship to parts of a right triangle. B. Use the Pythagorean Thereom and its converse to find missing sides of a triangle. C. Use the properties of a 45-4590, and 30-60-90 right triangles. D. Find trigonometric rations in right triangles, and apply them to solve problems. Chapter 6 test, with several multiple choice, open-ended and critical thinking questions. (Summative Assessment) Use trigonmetric ratios to calculate the height of various structures, or trees. (Formative Assessment) Continued instruction with the calculator, needed to determine trig ratios. Chapter 7 test, with open-ended, and critical thinking problems. (Summative Assessment) www.curriculummapper.com 6 of 9 Geometry Content Quadrilaterals ESSENTIAL QUESTIONS: • • What are the various quadrilaterals, and their properties? How are the properties similar, and how are they different? BIG IDEAS: • Learn and understand the various properties of each quadrilateral. Skills A. Find the sum of the interior and exterior angles of polygons. B. Recognize and apply the properties of the sides, angles, and diagonals of parallelograms. St. Mary's College High School Assessment Review nightly homework assignments. Monitor progress of students during class. Use of daily warm ups, often in groups. (Formative Assessment) Create quadrilateral family tree. C. Recognize and apply the properties of a rectangle, rhombus, square, kite and trapezoid. D. Graph vertices of quadrilaterals on a coordinate plane, and be able to identify them. In-class examples, practice, and worksheets. (Formative Assessment) Weekly short class basic skills quizzes. Chapter 8 test, with multiple choice, open-ended and critical thinking questions. (Summative Assessment) Content Circles Skills Assessment A. Find the sum of the intrerior A1. Identify and use parts of circles. In-class examples, paractice and warm up worksheets and activties. Mainly group work. (Formative Assessment) ESSENTIAL QUESTIONS: • • • • • What is circumference? What are central and inscribed angles? How are arcs measured? What are tangents and secants? What is the equation for a circle, and how can it be graphed on a coordinate plane? BIG IDEAS: • • Learn the components of a circle, and what they mean. Learn how to calculate arc measures and arc lengths. A2. Solve problems involving the circumference of a circle. B. Recognize major arcs, minor arcs, central angles, inscribed angles, and their measures. Monitor progress of students during class and homework review. (Formative and Summative Assessment) Several short class quizzes on basic skills material. (Summative C. Use properties of tangents and secants to solve problems involving Assessment). circumscribed polygons. Geometry Activity to create D. Find measures of segments that understanding of circumference. intersect in the interior and exterior www.curriculummapper.com 7 of 9 Geometry Content • Know the difference between a secant and a tangent, and learn how to use them to solve problems. • Understand how to graph a circle on a coordinate plane, and be able to write the equation for a circle. Skills of a circle. Areas of Polygons and Circles B. Find the area of triangles, trapezoids, and rhombi. • What are the various formulas used to determine the area of polygons and circles? How can these formulas be used to determine the area of irregular figures? Assessment Chapter 10 Test with multiple choice, open-ended, and critical thinking questions. (Summative Assessment) A. Find the perimeters and ares of parallelograms. ESSENTIAL QUESTIONS: • St. Mary's College High School C. Find the area of regulat polygons and circles using the apothem measurement. Chapter 11 test, with multiple choice, open-ended, and critical thinking questions. (Formative Assessment) D. Learn to calculate the area of irregular figurs by separating them into triangles, trapezoids, rhombi, or rectangles. BIG IDEAS: • • • Learn all the formulas to calculate the area of pplygons and circles, and how to apply them. Review trigonometric functions and the special right triangle properties to aid in the determination. Use the radius to calculate the area of circles. Content Surface Area: Skills Assessment ESSENTIAL QUESTIONS: A1. Use the orthogonal drawings of three-dimensional figures to make models. A2. Identify and use threedimensional models. In-class examples, practice, and warm-up worksheets. (Formative Assessment) • What are three dimensional figures, and how can they be sketched on paper? Monitor progress of students during class, and daily assignment review. www.curriculummapper.com 8 of 9 Geometry Content • • What is a net, and how can it be used to calculate the surface area of various shapes? What are prisms, cylinders, pyramids, cones, and spheres, and how are their surface areas calculated? Skills B. Draw two-dimensional modesl for three-dimensional figures, and calculate the surface area of the figures. C. Find the lateral areas and the total surface areas of prisms. D. Find the lateral areas and the total surface areas of cylinders. BIG IDEAS: • • Learn how to sketch threedimensional on special orthogonal paper. Learn the formulas for the surface areas of prisms, cylinders, pyramids, cones, spheres, & how to apply them. E. Find the lateral areas and the total surface areas of regular pyramids. F. Find the lateral areas and the total surface areas of cones. St. Mary's College High School Assessment (Formative Assessment) Weekly short quizzes. Demonstrations of prisms, cylinders, pyramids, and cones in class. Chapter 11 Test, with open-ended and critical thinking problems. (Summative Assessment) Cumulative Final Exam for chapters 6-11, with multiple choice, open-ended, word problems, and critical thinking questions. (Summative Assessment) www.curriculummapper.com 9 of 9