Survey
* Your assessment is very important for improving the work of artificial intelligence, which forms the content of this project
* Your assessment is very important for improving the work of artificial intelligence, which forms the content of this project
Course Title: Pre-Algebra 9 - 12 Date Adopted: June 1990 Department: Mathematics UC/CSU Requirement: No Pre-Requisite: Fulfills CSF Requirement: No Eighth Grade Placement Test Scores Length of Course: Two Semesters Fulfills H/S Graduation Credit As: Required X Elective Semester Units/Credits: 5 Grade Level: 9 - 12 I. Course Description This course maintains and strengthens skills previously developed and increases the student's ability to solve abstract and practical problems, especially those involving multiple steps. The student is introduced to new topics in number theory and elementary algebra in preparation for Algebra I. II. Rationale It is essential for the student to be proficient in arithmetic and its use in solving problems, to be acquainted with fundamental concepts of algebra, and to be comfortable solving problems on paper, with a calculator, and mentally. III. Goals, Objectives, and Performance Indicators 1.0 GOAL: The student will be able to understand basic ideas and terminology concerning sets. 1.1 Obj: The student will define and identify terms relating to sets and use proper set notation. ***1.1.1: Given the terms: set, subset, intersection, union, equivalent, equal, empty, null disjoint, the student will know the definitions. ***1.1.2: Given any set named in rule form, the student will rename the set by writing it in list form. Given a set of at most four members, the student will list all or an indicated number of subsets of the given set. ***1.1.3: Pre-Algebra (9 - 12) - June 1990 1 1.2 ***1.1.4: Given two sets, the student will indicate whether the sets are equal, equivalent, or neither. ***1.1.5: Given two sets, the student will indicate whether the sets are disjoint or intersecting. ***1.1.6: Given at least two sets, the student will write their union. ***1.1.7: Given at least two sets, the student will write their intersection. Obj: The student will identify the subsets of the set of real numbers (naturals, wholes, integers, rationals, and irrationals) and determine to which subsets any real number belongs. **1.2.1: Given two or more sets, the student will show the relationship of the sets using the appropriate symbols of set notation. *1.2.2: Given any set of numbers, the student will describe or list the members of the set. 2.0 GOAL: The student will be able to find the sum, difference, product, or quotient of rational numbers, choosing an appropriate method of calculation. 2.1 Obj: The student will add rational numbers. *2.1.1: Given at least two integers, the student will find the sum. *2.1.2: Given at least two rational numbers, the student will write the sum. *2.1.3: Given any two integers, the student will demonstrate the use of a number line to find the sum. 2.2 Obj: The student will subtract rational numbers. **2.2.1: Given any expression involving subtraction of rational numbers, the student will rewrite the sentence as addition. *2.2.2: Given any two rational numbers, the student will find the difference. Pre-Algebra (9 - 12) - June 1990 2 2.3 Obj: The student will multiply rational numbers. *2.3.1: Given any two integers, the student will find the product. 2.4 *2.3.2: Given any two rational numbers, the student will state whether the product is positive, negative, or zero. *2.3.3: Given any two rational numbers, the student will find the product. Obj: The student will divide rational numbers. **2.4.1: Given..., the student will give the reciprocal multiplicative inverse for any rational number. **2.4.2: Given any two integers, the student will find the quotient. *2.4.3: Given any two rational numbers, the student will state whether the quotient is positive, negative, or zero. 2.5 2.6 **2.4.4: Given any two rational numbers, the student will find the quotient accurately to a given place value. **2.4.5: Given a number, the student will test for divisibility by 2, 3, 4, 5, 6, 9, and 10. Obj: The student will simplify numerical expressions, using the order of operations. **2.5.1: Given any numerical expression without symbols of inclusion, the student will use the order of operations to simplify it. **2.5.2: Given any numerical expression with symbols of inclusion, the student will use the order of operations to simplify it. Obj: The student will evaluate algebraic expressions. *2.6.1: Given an expression in one variable and replacement value, the student will evaluate the expression. **2.6.1: Given an expression in two or more variables and replacement values, the student will evaluate the expression. Pre-Algebra (9 - 12) - June 1990 3 2.7 Obj: The student will find the absolute value of any rational value. *2.7.1: Given any integer, the student will write the absolute value. *2.7.2: Given any rational number, the student will write the absolute value. 3.0 GOAL: The student will be able to recognize the various forms for representing rational numbers. 3.1 Obj: The student will demonstrate an understanding of place value of the decimal number system. *3.1.1: Given any decimal number, the student will be able to identify the place value of any digit. *3.1.2: Given a decimal numeral, expressed in digits or words, the student will write it in the other form. **3.1.3: 3.2 Given any decimal, the student will write the number in expanded notation using exponents. Obj: The student will apply knowledge of place value to round any decimal numeral to a given place value. *3.2.1: Given any decimal, the student will round the numeral to the indicated place value. *3.2.2: Given any rational number, the student will express the number as a decimal rounded to the indicated place value. *3.2.3: Given any problem using decimal numeral, the student will round to the appropriate place when making an estimate. 3.3 Obj: The student will recognize the various forms for representing a rational number and will convert among fraction, decimal, and percent equivalents. **3.3.1: Given any terminating decimal, the student will write the number in simplified fractional form. **3.3.2: Given any repeating decimal, the student will write the number in simplified fractional form. Pre-Algebra (9 - 12) - June 1990 4 *3.3.3: Given any fraction, the student will convert to both decimal and percent. *3.3.4: Given any fraction, the student will convert to both decimal and percent. *3.3.5: Given any percent, the student will convert to both fraction and decimal. *3.3.6: Given any fraction, the student will determine if its decimal will be repeating or terminating. 3.4 3.5 Obj: The student will write any numerical expression in simplest form by choosing the appropriate numbers (in decimal or fraction form) to use in the situation. **3.4.1: Given any numerical expression involving rational numbers, the student will translate the expression into an equivalent expression (using decimal form or using fraction form) which suits the given situation. **3.4.2: Given a problem, the student will determine the most appropriate form of numbers to use. Obj: The student will use the order relations to compare rational numbers. *3.5.1: Given at least two fractions, the student will write them in increasing or decreasing order. **3.5.2: 3.6 Obj: Given at least two rational numbers in any form, the student will change the numbers to the same form and write the numbers in increasing or decreasing order. The student will draw and label a number line, and locate rational numbers. **3.6.1: Given a unit distance, the student will draw and label a number line, indicating the origin and a clear scale. *3.6.2: Given points on a number line, and their coordinates, the student will assign the coordinates to the points. Pre-Algebra (9 - 12) - June 1990 5 *3.6.3: Given any rational number, a student will label the corresponding point on a number line. *3.6.4: Given a set of numbers, the student will order those numbers and locate them on the number line. 4.0 GOAL: The student will be able to identify and use properties of rational numbers and apply the properties to simplify numerical calculations. 4.1 Obj: 4.2 4.3 The student will recognize and/or give examples of the following: closure, commutative, associate, identity and inverse properties of addition. **4.1.1: Given any rational number, the student will write its additive inverse. ***4.1.2: Given a numerical or algebraic example of one of the properties, the student will indicate the property being demonstrated by the examples. ***4.1.3: Given a property, the student will given an example using numbers and/or variables demonstrating that property. Obj: The student will recognize and/or give examples of the following: closure, commutative, associative, identity and inverse properties of multiplication. **4.2.1: Given any rational number, the student will write its multiplicative inverse. **4.2.2: Given a numerical or algebraic example of one of the properties, the student will indicate the property being demonstrated by the example. ***4.2.3: Given the property name, the student will give an example using numbers and/or variables demonstrating that property. Obj: The student will recognize and/or give examples of the distributive property. **4.3.1: Given an example, the student will identify the distributive property being illustrated. Pre-Algebra (9 - 12) - June 1990 6 *4.3.2: Given an expression of the form ax + bx, the student will apply the distributive property. *4.3.3: Given the property name, the student will give an example using numbers and/or variables. *4.3.4: Given an expression of the form x(z + b), the student will use the distributive property to simplify. 4.4 Obj: The student will recognize and/or give examples of the multiplicative property of 0 and 1. *4.4.1: Given an example of these properties, the student will fill in the missing parts. *4.4.2: Given the name of the property, the student will give and example demonstrating that property. *4.4.3: Given a numerical or algebraic example of this property, the student will indicate the property being demonstrated. 4.5 4.6 Obj: The student will recognize and/or give examples of the addition and multiplication properties of equality. **4.5.1: Given a numerical or algebraic example of these properties, the student will indicate the property being demonstrated. **4.5.2: Given a property, the student will give an example using numbers and/or variables demonstrating that property. Obj: The student will identify properties and definitions used in each step of a given solution of a linear equation. **4.6.1: Given a list of steps, the student will identify each property. *4.6.2: Given a solution to a linear equation, the student will indicate the property being illustrated. 5.0 GOAL: The student will be able to find the square roots of whole numbers, fractions, and decimals, whose square roots are rational and will be able to estimate square roots with integral imperfect square radicands as a check of results obtained with calculators. Pre-Algebra (9 - 12) - June 1990 7 5.1 Obj: The student will understand and use terminology relating squares and square roots. *5.1.1: Given expressions written as radicals, the student will identify the radicand and radical sign in the expression. *5.1.2: Given a number, the student will determine if the number is rational or irrational. *5.1.3: Given two rational numbers, the student will verify that one number is a root of another. 5.2 Obj: The student will estimate and evaluate irrational square root. *5.3.1: Given any rational number, the student will locate it between two perfect squares. 6.0 GOAL: The student will be able to use prime factorization to find factors, greatest common factor, and least common multiple of a set of whole numbers. 6.1 Obj: The student will find the greatest common factor of two or more whole numbers. *6.1.1: Given any whole number greater than one, the student will determine if the number is prime or composite. *6.1.2: Given the prime factorization of two or more whole numbers, the student will find the least common multiple. 7.0 GOAL: The student will be able to use exponential notation with integral exponents. 7.1 Obj: The student will evaluate numerical expressions involving integral exponents. *7.1.1: Given any number, the student will raise it to a given power. *7.1.2: Given two or more factors with like bases and using the product of powers property, the student will find the product. Pre-Algebra (9 - 12) - June 1990 8 7.2 Obj: The student will convert whole numbers between base-ten notation and scientific notation. *7.2.1: Given two or more factors that are powers of 10, the student will solve using mental calculations. **7.2.2: Given any number, the student will write it in scientific notation. **7.2.3: 7.4 Obj: Given any number written in scientific notation, the student will write it as a decimal number. The student will multiply numbers represented in scientific notations. **7.4.1: Given two decimal numbers, the student will multiply; and then convert factors and product to scientific notation to see the relationship. **7.4.2: Given two numbers written in scientific notation, the student will multiply in that form. 8.0 GOAL: The student will be able to choose an appropriate unit of measure and use the necessary formulas to find the circumference or perimeter, areas of polygons and circles, and the volumes and surface areas of selected solids. 8.1 Obj: The student will calculate and label with appropriate units the perimeter of any polygon or circumference of any circle. *8.1.1: Given the radius or diameter of a circle in integers, fractions or decimal numbers, the student will calculate the circumference. *8.1.2: Given the circumference of a circle, the student will calculate the radius or diameter. *8.1.3: Given the lengths of all sides of a polygon, the student will calculate the perimeter of the figure. *8.1.4: Given the lengths of some of the sides of a polygon where enough information is included to deduce the lengths of the remaining sides, the student will calculate the perimeter of the figure. Pre-Algebra (9 - 12) - June 1990 9 *8.1.5: Given the perimeter of a polygon and the lengths of all but one of the sides, the student will calculate the length of the remaining side. ***8.1.6: Given a word problem which involves finding the perimeter of polygons and/or circumference of circles or combinations of circles and polygons, the student will calculate the quantity requested. 8.2 Obj: The student will calculate and label with appropriate units the area of circles and polygons. *8.2.1: Given the radius or diameter of a circle, the student will calculate the area of the figure. 8.3 **8.2.2: Given the area of a circle, the student will calculate the radius or diameter to the nearest whole number. ***8.2.3: Given the circumference of a circle, the student will calculate the area of the circle. ***8.2.4: Given a complex figure with some dimensions, the student will deduce the lengths of the remaining sides and will calculate the area of the figure. **8.2.5: Given a word problem involving area, the student will calculate the area to solve the problem. **8.2.6: Given a word problem involving area that has multiple parts, the student will correctly calculate the area and incorporate that value into the other parts of the problem to arrive at a solution. Obj: The student will calculate the volumes and surface areas of rectangular and triangular prisms, cylinders, and other solids and label with appropriate units. **8.3.1: Given the radius or diameter of a sphere, the radius or diameter and height of a cylinder, the length, width, and height of a rectangular solid, or the base, height, and length of a prism, where dimensions are given as integers, fractions or decimals, the student will calculate the volume and surface area. 9.0 GOAL: The student will be able to use and demonstrate knowledge of geometric vocabulary relating to lines, angles, and plane and solid figures. Pre-Algebra (9 - 12) - June 1990 10 9.0 Obj: The student will identify, name, and draw rays, angles, lines, line segments and planes. *9.1.1: Given a description or sketch of a line, angle, ray, line segment, or plane the student will correctly identify each. *9.1.2: Given the geometric symbol, the student will identify it as the symbol for ray, angle, line, or line segment. *9.1.3: Given two points, the student will draw a line, a line segment or ray. *9.1.4: Given two lines, the student will write the symbolic description of each. *9.1.5: Given an angle, line, ray, or line segment, the student will write the symbolic description of each. *9.1.6: Given a set of angles, the student will classify each as acute, right, obtuse, or straight, without the aid of a protractor. *9.1.7: Given an angle or a measure of an angle, the student will state its complement or supplement, or its measure. *9.1.8: Given at least two parallel lines and a transversal, the student will identify angles formed by them as supplementary, vertical, adjacent, or congruent, alternate interior, alternate exterior, or corresponding. 9.2 Obj: The student will identify, name, and draw these plane geometric figures: circles, triangles, various quadrilaterals, and polygons of more that form sides. *9.2.1: Given sketches of plane geometric figures, the student will identify them by names. *9.2.2: Given a written description of a plane geometric figure, the student will identify the figure described by name. **9.2.3: Given the name of a geometric figure, the student will state its essential characteristics. *9.2.4: Given a circle, the student will identify specified parts of it. Pre-Algebra (9 - 12) - June 1990 11 *9.2.5: Given a geometric figure, the student will tell whether or not it is a polygon. *9.2.6: Given the name of a polygon or the number o f sides of a polygon, the student will give its number of sides or name it. *9.2.7: Given a triangle, with sides of equal length marked, the student will classify it as scalene, isosceles, or equilateral. 9.3 **9.2.8: Given a triangle, the student will classify it as acute, obtuse, or right. **9.2.10: Given the measure of two of the angles of a triangle, the student will find the measure of the third angle by subtracting the sum of the two given angles from 180x. **9.2.11: Given a right triangle and the lengths of two of the three sides, the student will find the length of the third side using the Pythagorean Theorem, showing the work involved. **9.2.12: Given a triangle and the length of each of its sides, the student will use a Pythagorean relationship to determine whether or not it is a right triangle. Obj: The student will identify, name, and draw solid geometric figures. **9.3.1: Given the name of a geometric solid (cube, rectangular prism, pyramid, cylinder, cone, or sphere), the student will sketch a drawing of the solid. **9.2.2: Given a sketch of a geometric solid, the student will give its names. **9.2.3: Given a sketch of a geometric solid, the student will identify and/or determine its number of vertices, edges, and faces. **9.3.4: Given the sketch of a geometric solid (cube, rectangular prism, pyramid, cylinder or sphere), the student will identify its base(s) and height. Pre-Algebra (9 - 12) - June 1990 12 10.0 GOAL: The student will be able to demonstrate a knowledge of ways to express functions and relationships. 10.1 10.2 Obj: The student will demonstrate an understanding of the concept of a relation and of a function. ***10.1.1: Given the definition of a function and a relation, the student will state and apply the definition. ***10.1.2: Given a set of ordered pairs, the student will state whether the set is a function or a relation. ***10.1.3: Given an equation, the student will determine if the equation describes a function or a relation. ***10.1.4: Given a word description of a relation, the student will write an equation which symbolizes that relation. ***10.1.5: Given a word description of a relation, the student will write an equation which symbolizes that relation. Obj: The student will graph simple relations and functions in all quadrants of the coordinate plane. *10.2.1: Given a Cartesian coordinate system, the student will identify the origin, x-axis, y-axis, and quadrants I - IV. *10.2.2: Given an ordered pair, the student will correctly identify the abscissa and ordinate. Given a set of ordered pairs, the student will correctly set up a Cartesian coordinate system and plot the points. *10.2.3: ***10.2.4: Given a relation and its domain, the student will graph the relation. ***10.2.5: Given the graph of a simple function and sufficient information, the student will represent the function as a set of ordered pairs. 11.0 GOAL: The student will be able to translate a phrase written in words into algebraic symbols, simplify the resulting expression and evaluate once the values of the unknowns are given. Pre-Algebra (9 - 12) - June 1990 13 11.1 11.2 Obj: The student will translate word phrases into algebraic expressions. **11.1.1: Given an algebraic expression the student will describe in words what the symbols mean. **11.1.2: Given a phrase in words, the student will assign variables and write the phrase in mathematical symbols. Obj: The student will simplify algebraic expressions. **11.2.1: Given an algebraic expression involving two or more terms, such as ax + by + cx + dy, where a, b, c, and d are real numbers, the student will identify which of the terms are like and combine like terms. **11.2.2: Given an algebraic expression such as xa(xb), where a and b are real numbers, the student will use the laws of exponents to simplify the expression. **11.2.3: Given an algebraic expression involving the product of two or more monomials, such as axy(bxy), where a and b area real numbers, the student will simplify the product. **11.2.4: Given an expression of the type ax + b(x + y) + cy, where a, b, and c are real numbers, the student will simplify the expression using the distributive property. ***11.2.5: Given an expression of the type ax + b(x + y) + cy, and simplification of the expression, the student will justify each step by stating the appropriate property, theorem or definition. 12.0 GOAL: The student will be able to solve and/or graph simple linear equations, proportions, and inequalities written with integer, fraction, or decimal coefficients. 12.1 Obj: The student will use ratios and proportions to solve for the unknown in a variety of problems including those involving percent. Pre-Algebra (9 - 12) - June 1990 14 12.2 *12.1.1: Given a ratio written in any form, the student will express the ratio in an equivalent form in simplest terms. *12.1.2: Given a proportion with terms written as rational numbers, the student will find the value of the unknown by the means-extremes method and solving the resulting equation. *12.1.3: Given a simple percent problem, the student will solve the problem using a proportion. Obj: The student will use properties of real numbers to simplify linear equations to the form ax + b = c, and solve the equation, where a, b, and c are integers and solutions obtained are rational numbers. **12.2.1: Given a linear equation of the form ax = c, the student will solve the equation algebraically. **12.2.2: Given a linear equation of the form x + b = c, the student will solve the equation algebraically. **12.2.3: 12.3 Obj: Given a linear equation of the form ax + b = c, the student will solve the equation algebraically. The student will solve simple inequalities and display solution sets on the number line. **12.3.1: Given an inequality of the form x < a or x > a, the student will graph the solution set using real numbers or integers. ***12.3.2: Given an inequality of the form x< a or x > a, the student will graph the solution set using real numbers or integers. **12.3.3: Given a graph on the number line, the student will determine whether or not it is the solution set to a given inequality. ***12.3.4: Given an inequality which can be written in the form ax + b > c or ax + b < c, the student will solve the inequality and graph its solution set. 12.4 Obj: The student will solve practical problems using equations. Pre-Algebra (9 - 12) - June 1990 15 **12.4.1: Given a word problem that can be translated into a proportion, the student will designate a variable, write a proportion and solve it algebraically. **12.4.2: Given a word problem involving percents, the student will write a proportion and solve it. **12.4.3: Given a word problem, the student will write an equation which represents the word problem. **12.4.4: Given a word problem, the student will designate a variable, write an equation and solve for the unknown. * Essential ** Expected *** Extended Pre-Algebra (9 - 12) - June 1990 16