Topic: Unit 1Variables, Expressions, and Integers


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1 Grade 7th Topic: Unit 1Variables, Expressions, and Integers Essential Questions/Enduring CC.7.NS.1 Apply and extend previous understandings of operations with fractions to add, subtract, multiply, and divide rational numbers. Apply and extend previous understandings of addition and subtraction to add and subtract rational numbers; represent addition and subtraction on a horizontal or vertical number line diagram. CC.7.NS.1a Describe situations in which opposite quantities combine to make 0. CC.7.NS.1b Understand p + q as the number located a distance q from p, in the positive or negative direction depending on whether q is positive or negative. Show that a number and its opposite have a sum of 0 (are additive inverses). Interpret sums of rational numbers by describing realworld contexts. CC.7.NS.1c Understand subtraction of rational numbers as adding the additive inverse, p q = p + ( q). Show that the distance between two rational numbers on the number line is the absolute value of their difference, and apply this principle in realworld contexts. CC.7.NS.2 Apply and extend previous understandings of operations with fractions to add, subtract, multiply, and divide rational numbers. Apply and extend previous understandings of multiplication and division and of fractions to multiply and divide rational numbers. CC.7.NS.2a Understand that multiplication is extended from fractions to rational numbers by requiring that operations continue to satisfy the properties of operations, particularly the distributive Evaluating and writing variable expressions Using the order of operations Comparing and ordering integers Performing operations on integers Locating points in a coordinate plane Materials: Holt McDougal PreAlgebra 1.1 Expressions & Variables 1.2 Powers & Exponents 1.3 Order of Operations 1.4 Comparing & Ordering Integers 1.5 Adding Integers 1.6 Subtracting Integers 1.7 Multiplying and Dividing Integers 1.8 The Coordinate Plane Web Site Resources: End of module performance assessment
2 property, leading to products such as ( 1)( 1) = 1 and the rules for multiplying signed numbers. Interpret products of rational numbers by describing realworld contexts. CC.7.NS.2b Understand that integers can be divided, provided that the divisor is not zero, and every quotient of integers (with nonzero divisor) is a rational number. If p and q are integers then (p/q) = ( p)/q = p/( q). Interpret quotients of rational numbers by describing realworld contexts. CC.7.NS.3 "Apply and extend previous understandings of operations with fractions to add, subtract, multiply, and divide rational numbers. Solve realworld and mathematical problems involving the four operations with rational numbers. (Computations with rational numbers extend the rules for manipulating fractions to complex fractions.) CC.8.SP.1 Investigate patterns of association in bivariate data. Construct and interpret scatter plots for bivariate measurement data to investigate patterns of association between two quantities. Describe patterns such as clustering, outliers, positive or negative association, linear association, and nonlinear association.
3 Grade 7th CC.7.NS.1 Apply and extend previous understandings of operations with fractions to add, subtract, multiply, and divide rational numbers. Apply and extend previous understandings to add and subtract rational numbers; represent addition and subtraction on a horizontal or vertical number line diagram. CC.7.NS.1a Describe situations in which opposite quantities combine to make 0. CC.7.NS.2 Apply and extend previous understandings of operations with fractions to add, subtract, multiply, and divide rational numbers. Apply and extend previous understandings of multiplication and division and of fractions to multiply and divide rational numbers. CC.7.NS.2a Understand that multiplication is extended from fractions to rational numbers by requiring that operations continue to satisfy the properties of operations, particularly the distributive property, leading to products such as ( 1)( 1) = 1 and the rules for multiplying signed numbers. Interpret products of rational numbers by describing realworld contexts. CC.7.EE.1 Use properties of operations to generate equivalent expressions. Apply properties of operations as strategies to add, subtract, factor, and expand linear expressions with rational coefficients. CC.8.EE.7 Analyze and solve linear equations and pairs of simultaneous linear equations. Solve linear equations in one variable. CC.8.EE.7b Solve linear equations with rational number coefficients, including equations whose solutions require expanding expressions using the distributive property and collecting like terms. Topic: Unit 2Solving Equations Essential Questions/Enduring Using additions, multiplication, and distributive properties Simplifying variable expressions Solving equations using mental math Solving equations using addition, subtraction, multiplication, or division Solving equations with decimals Materials: Holt McDougal PreAlgebra 2.1 Properties and Operations 2.2 The Distributive Property 2.3 Simplifying Variable Expressions 2.4 Variables and Equations 2.5 Solving Equations Using Addition or Subtraction 2.6 Solving Equations using Multiplication or Division 2.7 Decimal Operations and Equations Web Site Resources: End of module performance assessment
4 Grade 7th Topic: Unit 3 MultiStep Equations and Inequalities CC.8.EE.7 Analyze and solve linear equations and pairs of simultaneous linear equations. Solve linear equations in one variable. CC.8.EE.7b Solve linear equations with rational number coefficients, including equations whose solutions require expanding expressions using the distributive property and collecting like terms. CC.8.SP.1 Investigate patterns of association in bivariate data. Construct and interpret scatter plots for bivariate measurement data to investigate patterns of association between two quantities. Describe patterns such as clustering, outliers, positive or negative association, linear association, and nonlinear association. Essential Questions/Enduring Writing and solving twostep equations Using the distributive property to solve equations Writing and solving inequalities Graphing inequalities on a number line Materials: Holt McDougal PreAlgebra 3.1 Solving TwoStep Equations 3.2 Solving Equations Having Like Terms and Parentheses 3.3 Solving Equations with Variables on Both Sides 3.4 Solving Inequalities Using Addition or Subtraction 3.5 Solving Inequalities Using Multiplication or Division 3.6 Solving MultiStep Inequalities Web Site Resources: End of module performance assessment
5 Grade 7th Topic: Unit 4Factors, Fractions, and Exponents CC.7.EE.1 Use properties of operations to generate equivalent expressions. Apply properties of operations as strategies to add, subtract, factor, and expand linear expressions with rational coefficients. CC.8.EE.1 Work with radicals and integer exponents. Know and apply the properties of integer exponents to generate equivalent numerical expressions. For example, 3^2 3^( 5) = 3^( 3) = 1/(3^3) = 1/27. CC.8.EE.3 Work with radicals and integer exponents. Use numbers expressed in the form of a single digit times an integer power of 10 to estimate very large or very small quantities, and to express how many times as much one is than the other. For example, estimate the population of the United States as 3 10^8 and the population of the world as 7 10^9, and determine that the world population is more than 20 times larger. CC.8.EE.4 Work with radicals and integer exponents. Perform operations with numbers expressed in scientific notation, including problems where both decimal and scientific notation are used. Use scientific notation and choose units of appropriate size for measurements of very large or very small quantities (e.g., use millimeters per year for seafloor spreading). Interpret scientific notation that has been generated by technology. Essential Questions/Enduring Factoring numbers and monomials Finding common factors and common multiples Simplifying and comparing fractions Multiplying and dividing powers Writing numbers in scientific notation Materials: Holt McDougal PreAlgebra 4.1 Factors and Prime Factorization 4.2 Greatest Common Factor 4.3 Equivalent Fractions 4.4 Least Common Multiple 4.5 Rules of Exponents 4.6 Negative and Zero Exponents 4.7 Scientific Notation Web Site Resources: End of module performance assessment
6 Grade: 7th Topic: Unit 5Rational Numbers and Equations CC.7.NS.1 Apply and extend previous understandings of operations with fractions to add, subtract, multiply, and divide rational numbers. Apply and extend previous understandings of addition and subtraction to add and subtract rational numbers; represent addition and subtraction on a horizontal or vertical number line diagram. CC.7.NS.1c Understand subtraction of rational numbers as adding the additive inverse, p q = p + ( q). Show that the distance between two rational numbers on the number line is the absolute value of their difference, and apply this principle in realworld contexts. CC.7.NS.1d Apply properties of operations as strategies to add and subtract rational numbers. CC.7.NS.2 Apply and extend previous understandings of operations with fractions to add, subtract, multiply, and divide rational numbers. Apply and extend previous understandings of multiplication and division and of fractions to multiply and divide rational numbers. CC.7.NS.2c Apply properties of operations as strategies to multiply and divide rational numbers. CC.7.NS.2d Convert a rational number to a decimal using long division; know that the decimal form of a rational number terminates in 0s or eventually repeats. CC.7.NS.3 Apply and extend previous understandings of operations with fractions to add, subtract, multiply, and divide rational numbers. Solve realworld and mathematical problems involving the four operations with rational Essential Questions/Enduring Identifying rational numbers Writing fractions as decimals and decimals as fractions Performing operations with fractions and mixed numbers Solving equations and inequalities with rational numbers Materials: Holt McDougal PreAlgebra 5.1 Rational Numbers 5.2 Adding and Subtraction Like Factors 5.3 Adding and Subtraction Unlike Factors 5.4 Multiplying Fractions 5.5 Dividing Fractions 5.6 Using Multiplicative Inverses to Solve Equations 5.7 Equations and Inequalities with Rational Numbers Web Site Resources: End of module performance assessment
7 numbers. (Computations with rational numbers extend the rules for manipulating fractions to complex fractions.) CC.7.EE.1 Use properties of operations to generate equivalent expressions. Apply properties of operations as strategies to add, subtract, factor, and expand linear expressions with rational coefficients. CC.7.EE.4 Solve reallife and mathematical problems using numerical and algebraic expressions and equations. Use variables to represent quantities in a realworld or mathematical problem, and construct simple equations and inequalities to solve problems by reasoning about the quantities. CC.7.EE.4b Solve word problems leading to inequalities of the form px + q > r or px + q < r, where p, q, and r are specific rational numbers. Graph the solution set of the inequality and interpret it in the context of the problem. For example, As a salesperson, you are paid $50 per week plus $3 per sale. This week you want your pay to be at least $100. Write an inequality for the number of sales you need to make, and describe the solutions. CC.8.NS.1 Know that there are numbers that are not rational, and approximate them by rational numbers. Know that numbers that are not rational are called irrational. Understand informally that every number has a decimal expansion; for rational numbers show that the decimal expansion repeats eventually, and convert a decimal expansion which repeats eventually into a rational number.
8 Grade 7th Topic: Unit 6Ratio, Proportions and Probability CC.7.RP.1 Analyze proportional relationships and use them to solve realworld and mathematical problems. Compute unit rates associated with ratios of fractions, including ratios of lengths, areas and other quantities measured in like or different units. For example, if a person walks 1/2 mile in each 1/4 hour, compute the unit rate as the complex fraction (1/2)/(1/4) miles per hour, equivalently 2 miles per hour. CC.7.RP.2 Analyze proportional relationships and use them to solve realworld and mathematical problems. Recognize and represent proportional relationships between quantities. CC.7.RP.2a Decide whether two quantities are in a proportional relationship, e.g., by testing for equivalent ratios in a table or graphing on a coordinate plane and observing whether the graph is a straight line through the origin. CC.7.RP.2b Identify the constant of proportionality (unit rate) in tables, graphs, equations, diagrams, and verbal descriptions of proportional relationships. CC.7.RP.2c Represent proportional relationships by equations. For example, if total cost t is proportional to the number n of items purchased at a constant price p, the relationship between the total cost and the number of items can be expressed as t = pn. CC.7.G.1 Draw, construct, and describe geometrical figures and describe the relationships between them. Solve problems involving scale drawings of geometric figures, including computing actual lengths and areas from a scale drawing and reproducing a scale drawing at a different scale. Essential Questions/Enduring Finding ratios and unit rates Writing and Solving proportions Identifying similar and congruent figures Finding unknown side lengths of similar figures Finding probabilities Materials: Holt McDougal PreAlgebra 6.1 Ratios and Rates 6.2 Writing and Solving Proportions 6.3 Solving Proportions Using Cross Products 6.4 Similar and Congruent Figures 6.5 Similarity and Measurement 6.6 Scale Drawings 6.7 Probability and Odds 6.8 The Multiplication Principle Web Site Resources: End of module performance assessment
9 CC.7.G.2 Draw, construct, and describe geometrical figures and describe the relationships between them. Draw (freehand, with ruler and protractor, and with technology) geometric shapes with given conditions. Focus on constructing triangles from three measures of angles or sides, noticing when the conditions determine a unique triangle, more than one triangle, or no triangle. CC.7.SP.5 Investigate chance processes and develop, use, and evaluate probability models. Understand that the probability of a chance event is a number between 0 and 1 that expresses the likelihood of the event occurring. Larger numbers indicate greater likelihood. A probability near 0 indicates an unlikely event, a probability around 1/2 indicates an event that is neither unlikely nor likely, and a probability near 1 indicates a likely event. CC.7.SP.6 Investigate chance processes and develop, use, and evaluate probability models. Approximate the probability of a chance event by collecting data on the chance process that produces it and observing its longrun relative frequency, and predict the approximate relative frequency given the probability. For example, when rolling a number cube 600 times, predict that a 3 or 6 would be rolled roughly 200 times, but probably not exactly 200 times. CC.7.SP.7 Investigate chance processes and develop, use, and evaluate probability models. Develop a probability model and use it to find probabilities of events. Compare probabilities from a model to observed frequencies; if the agreement is not good, explain possible sources of the discrepancy. CC.7.SP.7a Develop a uniform probability model by assigning equal probability to all outcomes, and use the model to determine probabilities of events. For example, if a student is selected at random from a class, find the probability that Jane will be selected and the probability that a girl will be selected. CC.7.SP.7b Develop a probability model (which may not be uniform) by observing frequencies in data generated from a chance process. For example, find the approximate
10 probability that a spinning penny will land heads up or that a tossed paper cup will land openend down. Do the outcomes for the spinning penny appear to be equally likely based on the observed frequencies? CC.7.SP.8 Investigate chance processes and develop, use, and evaluate probability models. Find probabilities of compound events using organized lists, tables, tree diagrams, and simulation. CC.7.SP.8a Understand that, just as with simple events, the probability of a compound event is the fraction of outcomes in the sample space for which the compound event occurs. CC.7.SP.8b Represent sample spaces for compound events using methods such as organized lists, tables and tree diagrams. For an event described in everyday language (e.g., rolling double sixes ), identify the outcomes in the sample space which compose the event. CC.8.G.2 Understand congruence and similarity using physical models, transparencies, or geometry software. Understand that a twodimensional figure is congruent to another if the second can be obtained from the first by a sequence of rotations, reflections, and translations; given two congruent figures, describe a sequence that exhibits the congruence between them. CC.8.G.4 Understand congruence and similarity using physical models, transparencies, or geometry software. Understand that a twodimensional figure is similar to another if the second can be obtained from the first by a sequence of rotations, reflections, translations, and dilations; given two similar twodimensional figures, describe a sequence that exhibits the similarity between them.
11 Grade 7th CC.7.RP.3 Analyze proportional relationships and use them to solve realworld and mathematical problems. Use proportional relationships to solve multistep ratio and percent problems. Examples: simple interest, tax, markups and markdowns, gratuities and commissions, fees, percent increase and decrease, percent error. CC.7.EE.2 Use properties of operations to generate equivalent expressions. Understand that rewriting an expression in different forms in a problem context can shed light on the problem and how the quantities in it are related. For example, a a = 1.05a means that increase by 5% is the same as multiply by CC.7.EE.3 Solve reallife and mathematical problems using numerical and algebraic expressions and equations. Solve multistep reallife and mathematical problems posed with positive and negative rational numbers in any form (whole numbers, fractions, and decimals), using tools strategically. Apply properties of operations as strategies to calculate with numbers in any form; convert between forms as appropriate; and assess the reasonableness of answers using mental computation and estimation strategies. For example: If a woman making $25 an hour gets a 10% raise, she will make an additional 1/10 of her salary an hour, or $2.50, for a new salary of $ If you want to place a towel bar 9 3/4 inches long in the center of a door that is 27 1/2 inches wide, you will need to place the bar about 9 inches from each edge; this estimate can be used as a check on the exact computation. CC.7.EE.4a Solve word problems leading to equations of the form px + q = r and p(x + q) = r, where p, q, and r are specific rational numbers. Solve equations of these forms fluently. Compare an algebraic solution to an arithmetic solution, identifying the sequence of the operations used in each approach. For example, The perimeter of a rectangle is 54 cm. Its length is 6 cm. What is its width? CC.8.EE.8a Understand that solutions to a system of two linear Topic: Unit 7Percents Essential Questions/Enduring Finding the percent of a number Solving percent problems Finding the percent of change in a quantity Finding markups, discounts, sales tax, and tips Calculating interest earned and account balances Materials: Holt McDougal PreAlgebra 7.1 Percent s and Fractions 7.2 Percent s and Proportions 7.3 Percent s and Decimals 7.4 The Percent Equation 7.5 Percent of Change 7.6 Percent Applications 7.7 Simple and Compound Interest Web Site Resources: End of module performance assessment
12 equations in two variables correspond to points of intersection of their graphs, because points of intersection satisfy both equations simultaneously. CC.8.EE.8b Solve systems of two linear equations in two variables algebraically, and estimate solutions by graphing the equations. Solve simple cases by inspection. For example, 3x + 2y = 5 and 3x + 2y = 6 have no solution because 3x + 2y cannot simultaneously be 5 and 6. CC.8.EE.8c Solve realworld and mathematical problems leading to two linear equations in two variables. For example, given coordinates for two pairs of points, determine whether the line through the first pair of points intersects the line through the second pair. CC.8.SP.1 Investigate patterns of association in bivariate data. Construct and interpret scatter plots for bivariate measurement data to investigate patterns of association between two quantities. Describe patterns such as clustering, outliers, positive or negative association, linear association, and nonlinear association.
13 Grade 7th Topic: Unit 8 Linear Functions CC.7.RP.2 Analyze proportional relationships and use them to solve realworld and mathematical problems. Recognize and represent proportional relationships between quantities. CC.7.RP.2a Decide whether two quantities are in a proportional relationship, e.g., by testing for equivalent ratios in a table or graphing on a coordinate plane and observing whether the graph is a straight line through the origin. CC.7.RP.2d Explain what a point (x, y) on the graph of a proportional relationship means in terms of the situation, with special attention to the points (0, 0) and (1, r) where r is the unit rate. CC.7.EE.4 Solve reallife and mathematical problems using numerical and algebraic expressions and equations. Use variables to represent quantities in a realworld or mathematical problem, and construct simple equations and inequalities to solve problems by reasoning about the quantities. CC.7.EE.4b Solve word problems leading to inequalities of the form px + q > r or px + q < r, where p, q, and r are specific rational numbers. Graph the solution set of the inequality and interpret it in the context of the problem. For example, As a salesperson, you are paid $50 per week plus $3 per sale. This week you want your pay to be at least $100. Write an inequality for the number of sales you need to make, and describe the solutions. CC.8.EE.5 Understand the connections between proportional relationships, lines, and linear equations. Essential Questions/Enduring Representing relations and functions Finding and interpreting slopes of lines Writing and graphing linear equations in two variables Graphing and solving systems of linear equations Graphing linear inequalities in two variables Materials: Larson PreAlgebra 8.1 Relations and Functions 8.2 Linear Equations in Two Variables 8.3 Using Intercepts 8.4 The Slope of a Line 8.5 Slopeintercept Form 8.6 Writing Linear Equations 8.7 Function Notation 8.8 Systems of Linear Equations 8.9 Graphs of Linear Inequalities Web Site Resources: End of module performance assessment
14 Graph proportional relationships, interpreting the unit rate as the slope of the graph. Compare two different proportional relationships represented in different ways. For example, compare a distancetime graph to a distancetime equation to determine which of two moving objects has greater speed. CC.8.EE.6 Understand the connections between proportional relationships, lines, and linear equations. Use similar triangles to explain why the slope m is the same between any two distinct points on a nonvertical line in the coordinate plane; derive the equation y =mx for a line through the origin and the equation y = mx + b for a line intercepting the vertical axis at b. CC.8.EE.8 Analyze and solve linear equations and pairs of simultaneous linear equations. Analyze and solve pairs of simultaneous linear equations. CC.8.F.1 Define, evaluate, and compare functions. Understand that a function is a rule that assigns to each input exactly one output. The graph of a function is the set of ordered pairs consisting of an input and the corresponding output. (Function notation is not required in Grade 8.) CC.8.F.2 Define, evaluate, and compare functions. Compare properties of two functions each represented in a different way (algebraically, graphically, numerically in tables, or by verbal descriptions). For example, given a linear function represented by a table of values and a linear function represented by an algebraic expression, determine which function has the greater rate of change. CC.8.F.3 Define, evaluate, and compare functions. Interpret the equation y = mx + b as defining a linear function, whose graph is a straight line; give examples of functions that are not linear. For example, the function A = s^2 giving the area of a square as a function of its side length is not linear because its graph contains the points (1,1), (2,4) and (3,9),
15 which are not on a straight line. CC.8.F.4 Use functions to model relationships between quantities. Construct a function to model a linear relationship between two quantities. Determine the rate of change and initial value of the function from a description of a relationship or from two (x, y) values, including reading these from a table or from a graph. Interpret the rate of change and initial value of a linear function in terms of the situation it models, and in terms of its graph or a table of values. CC.8.F.5 Use functions to model relationships between quantities. Describe qualitatively the functional relationship between two quantities by analyzing a graph. Sketch a graph that exhibits the qualitative features of a function that has been described verbally. CC.8.SP.1 Investigate patterns of association in bivariate data. Construct and interpret scatter plots for bivariate measurement data to investigate patterns of association between two quantities. Describe patterns such as clustering, outliers, positive or negative association, linear association, and nonlinear association. CC.8.SP.2 Investigate patterns of association in bivariate data. Know that straight lines are widely used to model relationships between two quantitative variables. For scatter plots that suggest a linear association, informally fit a straight line, and informally assess the model fit by judging the closeness of the data points to the line. CC.8.SP.3 Investigate patterns of association in bivariate data. Use the equation of a linear model to solve problems in the context of bivariate measurement data, interpreting the slope and intercept. For example, in a linear model for a biology experiment, interpret a slope of 1.5 cm/hr as meaning that an additional hour of sunlight each day is associated with an additional 1.5 cm in mature plant height.
16 Grade 7th Topic: Unit 9Real Numbers and Right Triangles CC.8.NS.1 Know that there are numbers that are not rational, and approximate them by rational numbers. Know that numbers that are not rational are called irrational. Understand informally that every number has a decimal expansion; for rational numbers show that the decimal expansion repeats eventually, and convert a decimal expansion which repeats eventually into a rational number. CC.8.NS.2 Know that there are numbers that are not rational, and approximate them by rational numbers. Use rational approximations of irrational numbers to compare the size of irrational numbers, locate them approximately on a number line diagram, and estimate the value of expressions (e.g., π^2). For example, by truncating the decimal expansion of 2 (square root of 2), show that 2 is between 1 and 2, then between 1.4 and 1.5, and explain how to continue on to get better approximations. CC.8.EE.2 Work with radicals and integer exponents. Use square root and cube root symbols to represent solutions to equations of the form x^2 = p and x^3 = p, where p is a positive rational number. Evaluate square roots of small perfect squares and cube roots of small perfect cubes. Know that 2 is irrational. CC.8.G.5 Understand congruence and similarity using physical models, transparencies, or geometry software. Use informal arguments to establish facts about the angle sum and exterior angle of triangles, about the angles created when parallel lines are cut by a transversal, and the angleangle criterion for similarity of triangles. For example, arrange three copies of the same triangle so that the three angles appear to form a line, and give an argument in terms Essential Questions/Enduring Using square roots Solving problems using the Pythagorean theorem Comparing and ordering real numbers Using the distance, midpoint, and slope formulas Applying the tangent, sine, and cosine ratios Materials: McDougal Littel PreAlgebra 9.1 Square Roots 9.2 Simplifying Square Roots 9.3 The Pythagorean Theorem 9.4 Real Numbers 9.5 The Distance and Midpoint Formulas 9.6 Special Right Triangles 9.7 The Tangent Ratio 9.8 The Sine and Cosine Ratios Web Site Resources: End of module performance assessment
17 of transversals why this is so. CC.8.G.6Understand and apply the Pythagorean Theorem. Explain a proof of the Pythagorean Theorem and its converse. CC.8.G.7 Understand and apply the Pythagorean Theorem. Apply the Pythagorean Theorem to determine unknown side lengths in right triangles in realworld and mathematical problems in two and three dimensions. CC.8.G.8 Understand and apply the Pythagorean Theorem. Apply the Pythagorean Theorem to find the distance between two points in a coordinate system.
18 Grade 7th CC.7.RP.1 Analyze proportional relationships and use them to solve realworld and mathematical problems. Compute unit rates associated with ratios of fractions, including ratios of lengths, areas and other quantities measured in like or different units. For example, if a person walks 1/2 mile in each 1/4 hour, compute the unit rate as the complex fraction (1/2)/(1/4) miles per hour, equivalently 2 miles per hour. CC.7.G.2 Draw, construct, and describe geometrical figures and describe the relationships between them. Draw (freehand, with ruler and protractor, and with technology) geometric shapes with given conditions. Focus on constructing triangles from three measures of angles or sides, noticing when the conditions determine a unique triangle, more than one triangle, or no triangle. CC.7.G.3 Draw, construct, and describe geometrical figures and describe the relationships between them. Describe the twodimensional figures that result from slicing threedimensional figures, as in plane sections of right rectangular prisms and right rectangular pyramids. CC.7.G.4 Solve reallife and mathematical problems involving angle measure, area, surface area, and volume. Know the formulas for the area and circumference of a circle and use them to solve problems; give an informal derivation of the relationship between the circumference and area of a circle. Topic: Unit 10Measurement, Area, and Volume Essential Questions/Enduring Classifying triangles and polygons Finding area of parallelograms and trapezoids Finding circumferences and areas of circles Finding surface area areas and volumes of solids Materials: Holt McDougal PreAlgebra 10.1 Triangles 10.2 Polygons and Quadrilaterals 10.3 Areas of Parallelograms and Trapezoids 10.4 Circumference and Area of a Circle 10.5 Surface Areas of Prisms and Cylinders 10.6 Surface Areas of Pyramids and Cones 10.7 Volumes of Prisms and Cylinders 10.8 Volumes of Pyramids and Cones Web Site Resources: End of module performance assessment CC.7.G.6 Solve reallife and mathematical problems involving angle measure, area, surface area, and volume. Solve realworld and mathematical problems involving area, volume and surface area of two and threedimensional objects composed of triangles, quadrilaterals, polygons, cubes, and right prisms. CC.8.G.7 Understand and apply the Pythagorean Theorem. Apply
19 the Pythagorean Theorem to determine unknown side lengths in right triangles in realworld and mathematical problems in two and three dimensions. CC.8.G.9 Solve realworld and mathematical problems involving volume of cylinders, cones and spheres. Know the formulas for the volume of cones, cylinders, and spheres and use them to solve realworld and mathematical problems.
20 Grade 7th Topic: Unit 11Data Analysis and Probability CC.7.G.2 Draw, construct, and describe geometrical figures and describe the relationships between them. Draw (freehand, with ruler and protractor, and with technology) geometric shapes with given conditions. Focus on constructing triangles from three measures of angles or sides, noticing when the conditions determine a unique triangle, more than one triangle, or no triangle. CC.7.SP.1 Use random sampling to draw inferences about a population. Understand that statistics can be used to gain information about a population by examining a sample of the population; generalizations about a population from a sample are valid only if the sample is representative of that population. Understand that random sampling tends to produce representative samples and support valid inferences. CC.7.SP.2 Use random sampling to draw inferences about a population. Use data from a random sample to draw inferences about a population with an unknown characteristic of interest. Generate multiple samples (or simulated samples) of the same size to gauge the variation in estimates or predictions. CC.7.SP.3 Draw informal comparative inferences about two populations. Informally assess the degree of visual overlap of two numerical data distributions with similar variabilities, measuring the difference between the centers by expressing it as a multiple of a measure of variability. CC.7.SP.4 Draw informal comparative inferences about two populations. Use measures of center and measures of variability for numerical data from random samples to draw informal comparative inferences about two populations. Essential Questions/Enduring Making histograms and boxandwhisker plots Choosing appropriate displays for data Collecting and interpreting data Finding permutations and combinations Finding probabilities of disjoint and overlapping events Finding probabilities of dependent and independent events Materials: Holt McDougal PreAlgebra 11.1 StemandLeaf Plots and Histograms 11.2 BoxandWhisker Plots 11.3 Using Data Displays 11.4 Collecting Data 11.5 Interpreting Data 11.6 Permutations 11.7 Combinations 11.8 Probabilities of Disjoint and Overlapping Events 11.9 Independent and Dependent Events Web Site Resources: End of module performance assessment
21 CC.7.SP.8 Investigate chance processes and develop, use, and evaluate probability models. Find probabilities of compound events using organized lists, tables, tree diagrams, and simulation. CC.7.SP.8a Understand that, just as with simple events, the probability of a compound event is the fraction of outcomes in the sample space for which the compound event occurs. CC.7.SP.8b Represent sample spaces for compound events using methods such as organized lists, tables and tree diagrams. For an event described in everyday language (e.g., rolling double sixes ), identify the outcomes in the sample space which compose the event. CC.7.SP.8c Design and use a simulation to generate frequencies for compound events. For example, use random digits as a simulation tool to approximate the answer to the question: If 40% of donors have type A blood, what is the probability that it will take at least 4 donors to find one with type A blood? CC.8.SP.4 Investigate patterns of association in bivariate data. Understand that patterns of association can also be seen in bivariate categorical data by displaying frequencies and relative frequencies in a twoway table. Construct and interpret a twoway table summarizing data on two categorical variables collected from the same subjects. Use relative frequencies calculated for rows or columns to describe possible association between the two variables. For example, collect data from students in your class on whether or not they have a curfew on school nights and whether or not they have assigned chores at home. Is there evidence that those who have a curfew also tend to have chores?
22 Grade 7th Topic: Unit 12Angle Relationships and Transformations CC.8.G.1 "Understand congruence and similarity using physical models, transparencies, or geometry software. Verify experimentally the properties of rotations, reflections, and translations. CC.8.G.2 Understand congruence and similarity using physical models, transparencies, or geometry software. Understand that a twodimensional figure is congruent to another if the second can be obtained from the first by a sequence of rotations, reflections, and translations; given two congruent figures, describe a sequence that exhibits the congruence between them. CC.8.G.3 Understand congruence and similarity using physical models, transparencies, or geometry software. Describe the effect of dilations, translations, rotations and reflections on twodimensional figures using coordinates. CC.8.G.4 Understand congruence and similarity using physical models, transparencies, or geometry software. Understand that a twodimensional figure is similar to another if the second can be obtained from the first by a sequence of rotations, reflections, translations, and dilations; given two similar twodimensional figures, describe a sequence that exhibits the similarity between them. CC.8.G.5 Understand congruence and similarity using physical models, transparencies, or geometry software. Use informal arguments to establish facts about the angle sum and exterior angle of triangles, about the angles created when parallel lines are cut by a transversal, and the angleangle criterion for similarity of triangles. For example, arrange three copies of the same triangle so that the three angles appear to form a line, and give argument in terms of transversals why this is so. Essential Questions/Enduring Classifying special angle pairs Identifying angles formed by a transversal intersecting two lines Finding measures of interior and exterior angles of polygons Transforming figures in a coordinate plane Describing line symmetry and rotational symmetry Materials: Holt McDougal PreAlgebra 12.1 Angle Relationships 12.2 Angles and Parallel Lines 12.3 Angles and Polygons 12.4 Translations 12.5 Reflections and Symmetry 12.6 Rotations and Symmetry 12.7 Dilations Web Site Resources: End of module performance assessment
Common Core State Standards for Mathematics Accelerated 7th Grade
A Correlation of 2013 To the to the Introduction This document demonstrates how Mathematics Accelerated Grade 7, 2013, meets the. Correlation references are to the pages within the Student Edition. Meeting
More informationwith functions, expressions and equations which follow in units 3 and 4.
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