Content Cluster: Draw informal comparative inferences about two populations.

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Question 1 16362 Cluster: Draw informal comparative inferences about two populations. Standard: 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. For example, the mean height of players on the basketball team is 10 cm greater than the mean height of players on the soccer team, about twice the variability (mean absolute deviation) on either team; on a dot plot, the separation between the two distributions of heights is noticeable. (7.SP.3) 2

Question 2 16363 Cluster: Draw, construct, and describe geometrical figures and describe the relationships between them. Standard: 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. (7.G.2) 6

Question 3 15685 Cluster: Apply and extend previous understandings of operations with fractions. Standard: 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. c. 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 real-world contexts. (7.NS.1c) 16

Question 4 16353 Cluster: Analyze proportional relationships and use them to solve real-world and mathematical problems. Standard: Recognize and represent proportional relationships between quantities. c. 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. (7.RP.2c) 26

Question 5 15683 Cluster: Investigate chance processes and develop, use, and evaluate probability models. Standard: 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. b. Develop a probability model (which may not be uniform) by observing frequencies in data generated from a chance process. For example, find the approximate probability that a spinning penny will land heads up or that a tossed paper cup will land open-end down. Do the outcomes for the spinning penny appear to be equally likely based on the observed frequencies? (7.SP.7b) 36

Question 6 16249 Cluster: Draw, construct, and describe geometrical figures and describe the relationships between them. Standard: Describe the two-dimensional figures (cross sections) that result from slicing three-dimensional figures, as in plane sections of right rectangular prisms and right rectangular pyramids. (7.G.3) 40

Question 7 16349 Cluster: Analyze proportional relationships and use them to solve real-world and mathematical problems. Standard: Recognize and represent proportional relationships between quantities. b. Identify the constant of proportionality (unit rate) in tables, graphs, equations, diagrams, and verbal descriptions of proportional relationships. (7.RP.2b) 44

Question 8 15680 Cluster: Apply and extend previous understandings of operations with fractions to add, subtract, multiply, and divide rational numbers. Standard: Solve real-world and mathematical problems involving the four operations with rational numbers. (Computations with rational numbers extend the rules for manipulating fractions to complex fractions.) (7.NS.3) 54

Question 9 16351 Cluster: Use properties of operations to generate equivalent expressions. Standard: 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 + 0.05a = 1.05a means that "increase by 5%" is the same as "multiply by 1.05." (7.EE.2) 64

Question 10 16354 Cluster: Analyze proportional relationships and use them to solve real-world and mathematical problems. Standard: Recognize and represent proportional relationships between quantities. d. 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. (7.RP.2d) 74

Question 11 16359 Cluster: Investigate chance processes and develop, use, and evaluate probability models. Standard: 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 indicates an event that is neither unlikely nor likely, and a 2 probability near 1 indicates a likely event. (7.SP.5) 78

Question 12 16355 Cluster: Apply and extend previous understandings of operations with fractions to add, subtract, multiply, and divide rational numbers. Standard: Apply and extend previous understandings of multiplication and division and of fractions to multiply and divide rational numbers. c. Apply properties of operations as strategies to multiply and divide rational numbers. (7.NS.2c) 88

Question 13 16364 Cluster: Solve real-life and mathematical problems involving angle measure, area, surface area, and volume. Standard: Solve real-world and mathematical problems involving area, volume and surface area of two- and three-dimensional objects composed of triangles, quadrilaterals, polygons, cubes, and right prisms. (7.G.6) 92

Question 14 15674 Cluster: Analyze proportional relationships and use them to solve real-world and mathematical problems. Standard: Recognize and represent proportional relationships between quantities. a. 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. (7.RP.2a) 102

Question 15 15682 Cluster: Use random sampling to draw inferences about a population. Standard: 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. For example, estimate the mean word length in a book by randomly sampling words from the book; predict the winner of a school election based on randomly sampled survey data. Gauge how far off the estimate or prediction might be. (7.SP.2) 106

Question 16 15676 Cluster: Draw, construct, and describe geometrical figures and describe the relationships between them. Standard: 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. (7.G.1) 116

Question 17 16356 Cluster: Analyze proportional relationships and use them to solve real-world and mathematical problems. Standard: 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 mile in each 1 hour, compute the unit rate as the complex fraction 2 4 1 2 /1 4 miles per hour, equivalently 2 miles per hour. (7.RP.1) 126

Question 18 16348 136

Question 19 16360 Cluster: Solve real-life and mathematical problems involving angle measure, area, surface area, and volume. Standard: 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. (7.G.4) 152

Question 20 16352 Cluster: Investigate chance processes and develop, use, and evaluate probability models. Standard: Find probabilities of compound events using organized lists, tables, tree diagrams, and simulation. a. 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. (7.SP.8a) 162

Question 21 15684 Points Possible: 2 Cluster: Solve real-life and mathematical problems using numerical and algebraic expressions and equations. Standard: 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. b. 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. (7.EE.4b) 166

Question 22 16350 Cluster: Analyze proportional relationships and use them to solve real-world and mathematical problems. Standard: 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. (7.RP.3) Scoring Guidelines Exemplar Response $22 Other Correct Responses Any equivalent value For this item, a full-credit response includes: The correct value (1 point). 178

Question 23 16361 Cluster: Use random sampling to draw inferences about a population. Standard: 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. (7.SP.1) 186

Question 24 16358 194

Question 25 16991 Cluster: Analyze proportional relationships and use them to solve real-world and mathematical problems. Standard: Recognize and represent proportional relationships between quantities. (7.RP.2) b. Identify the constant of proportionality (unit rate) in tables, graphs, equations, diagrams, and verbal descriptions of proportional relationships. 208

Grade 7 Math Practice Test Summary and Answer Key Question No. 1 2 3 Type Multiple Choice Equation Graphic Response Cluster Draw informal comparative inferences about two populations. Draw, construct, and describe geometrical figures and describe the relationships between them. Apply and extend previous understandings of operations with fractions. Standard 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. For example, the mean height of players on the basketball team is 10 cm greater than the mean height of players on the soccer team, about twice the variability (mean absolute deviation) on either team; on a dot plot, the separation between the two distributions of heights is noticeable. (7.SP.3) 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. (7.G.2) 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. c. 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 real-world contexts. (7.NS.1c) Answer Key D Points 1 point --- 1 point --- 1 point iii

Grade 7 Math Practice Test Summary and Answer Key Question No. 4 5 Type Equation Multiple Choice Cluster Analyze proportional relationships and use them to solve realworld and mathematical problems. Investigate chance processes and develop, use, and evaluate probability models. Standard Recognize and represent proportional relationships between quantities. c. 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. (7.RP.2c) 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. b. Develop a probability model (which may not be uniform) by observing frequencies in data generated from a chance process. For example, find the approximate probability that a spinning penny will land heads up or that a tossed paper cup will land open-end down. Do the outcomes for the spinning penny appear to be equally likely based on the observed frequencies? (7.SP.7b) Answer Key Points --- 1 point C 1 point 6 Matching Draw, construct, and describe geometrical figures and describe the relationships between them. Describe the two-dimensional figures (cross sections) that result from slicing three-dimensional figures, as in plane sections of right rectangular prisms and right rectangular pyramids. (7.G.3) --- 1 point iv

Grade 7 Math Practice Test Summary and Answer Key Question No. Type Cluster Standard Answer Key Points 7 Equation Analyze proportional relationships and use them to solve realworld and mathematical problems. Recognize and represent proportional relationships between quantities. b. Identify the constant of proportionality (unit rate) in tables, graphs, equations, diagrams, and verbal descriptions of proportional relationships. (7.RP.2b) --- 1 point 8 Table Apply and extend previous understandings of operations with fractions to add, subtract, multiply, and divide rational numbers. Solve real-world and mathematical problems involving the four operations with rational numbers. (Computations with rational numbers extend the rules for manipulating fractions to complex fractions.) (7.NS.3) --- 1 point 9 Equation 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 + 0.05a = 1.05a means that "increase by 5%" is the same as "multiply by 1.05." (7.EE.2) --- 1 point 10 Multiple Choice Analyze proportional relationships and use them to solve realworld and mathematical problems. Recognize and represent proportional relationships between quantities. d. 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. (7.RP.2d) B 1 point v

Grade 7 Math Practice Test Summary and Answer Key Question No. Type Cluster Standard Answer Key Points 11 Equation 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 indicates an event that 2 is neither unlikely nor likely, and a probability near 1 indicates a likely event. (7.SP.5) --- 1 point 12 Multiple Choice 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. c. Apply properties of operations as strategies to multiply and divide rational numbers. (7.NS.2c) A 1 point 13 Equation Solve real-life and mathematical problems involving angle measure, area, surface area, and volume. Solve real-world and mathematical problems involving area, volume and surface area of two- and threedimensional objects composed of triangles, quadrilaterals, polygons, cubes, and right prisms. (7.G.6) --- 1 point vi

Grade 7 Math Practice Test Summary and Answer Key Question No. Type Cluster Standard Answer Key Points 14 Multi- Select Analyze proportional relationships and use them to solve realworld and mathematical problems. Recognize and represent proportional relationships between quantities. a. 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. (7.RP.2a) A, B, E 1 point 15 Equation 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. For example, estimate the mean word length in a book by randomly sampling words from the book; predict the winner of a school election based on randomly sampled survey data. Gauge how far off the estimate or prediction might be. (7.SP.2) --- 1 point 16 Graphic Response 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. (7.G.1) --- 1 point vii

Grade 7 Math Practice Test Summary and Answer Key Question No. 17 Type Equation Cluster Analyze proportional relationships and use them to solve realworld and mathematical problems. Standard 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 hour, compute the unit 4 rate as the complex fraction 1 2 /1 4 miles per hour, equivalently 2 miles per hour. (7.RP.1) Answer Key Points --- 1 point 18 19 Short Response Equation Solve real-life and mathematical problems using numerical and algebraic expressions and equations. Solve real-life and mathematical problems involving angle measure, area, surface area, and volume. Solve multi-step real-life 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 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 of her 10 salary an hour, or $2.50, for a new salary of $27.50. If you want to place a towel bar 9 3 inches long in the 4 center of a door that is 27 1 inches 2 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. (7.EE.3) 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. (7.G.4) --- 2 points --- 1 point viii

Grade 7 Math Practice Test Summary and Answer Key Question No. Type Cluster Standard Answer Key Points 20 Multiple Choice Investigate chance processes and develop, use, and evaluate probability models. Find probabilities of compound events using organized lists, tables, tree diagrams, and simulation. a. 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. (7.SP.8a) C 1 point 21 Equation Solve real-life and mathematical problems using numerical and algebraic expressions and equations. Use variables to represent quantities in a real-world or mathematical problem, and construct simple equations and inequalities to solve problems by reasoning about the quantities. b. 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. (7.EE.4b) --- 2 points 22 Equation 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. (7.RP.3) --- 1 point ix

Grade 7 Math Practice Test Summary and Answer Key Question No. 23 Type Multi- Select Cluster Use random sampling to draw inferences about a population. Standard 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. (7.SP.1) Answer Key Points A, B, D 1 point 24 Equation Solve real-life and mathematical problems involving angle measure, area, surface area, and volume. Use facts about supplementary, complementary, vertical, and adjacent angles in a multi-step problem to write and solve simple equations for an unknown angle in a figure. (7.G.5) --- 1 point x

Grade 7 Math Practice Test Summary and Answer Key Question No. Type Cluster Standard Answer Key Points 25 Hot Text Analyze proportional relationships and use them to solve realworld and mathematical problems. Recognize and represent proportional relationships between quantities. (7.RP.2) b. Identify the constant of proportionality (unit rate) in tables, graphs, equations, diagrams, and verbal descriptions of proportional relationships. --- 1 point 26 Editing Task Choice 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 ½ indicates an event that is neither unlikely nor likely; and a probability near 1 indicates a likely event. (7.SP.5) --- 1 point xi