CSAP. Mathematics. Study the table below. The table shows the distance Ricky walks each dog after school. Distance Walked. Distance.

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CSAP Mathematics 1 Study the table below. The table shows the distance Ricky walks each dog after school. Distance Walked Name of Dog Speedy (S) Distance 1 mile Wags (W) 1.75 miles Cookie (C) Jumper (J) Paws (P) 0.25 miles 1 1 miles 4 1 mile 2 On the number line below, Point S represents the distance Ricky walks Speedy. Label the points for the distances that Ricky walks each of the other dogs. S 0 0.5 1 1.5 2 Page 1

CSAP Mathematics Scoring Guide Item 1: Rubric Exemplary Response C P S J W 0 0.5 1 1.5 2 Score Points: Apply 2-point holistic rubric. This item appeared at only one grade level. Grade 5 Standard 1.1a: Number Sense Subcontent Area: number and operations Page 2

CSAP Mathematics 2 Study the graph below. The graph shows the profit a clothing shop makes from selling sweaters and pairs of jeans. $1,600 Clothing Shop Profit $1,400 $1,200 Profit $1,000 $800 $600 Key Sweaters Pairs of Jeans $400 $200 $0 0 10 20 30 40 Number of Items Sold Part A Complete the tables below by using the information from the graph to show the amount of profit for the number of items sold. Clothing Shop Profits Number of Sweaters Sold Amount of Profit (in dollars) Number of Pairs of Jeans Sold Amount of Profit (in dollars) 10 10 15 15 25 25 Page 3

Part B What is the amount of profit made from selling one sweater? In the space below, show your work and write your answer on the line. $ Part C In one day, the shop sold 20 sweaters and 30 pairs of jeans. The sale of which of these items made more profit? In the space below, show your work to find the difference in profit and write your answers on the lines. made more profit Difference in profit $ Page 4

CSAP Mathematics Scoring Guide Item 2: Rubric Exemplary Response Part A Clothing Shop Profits Number of Sweaters Sold Amount of Profit (in dollars) Number of Pairs of Jeans Sold Amount of Profit (in dollars) 10 400 10 200 15 600 15 300 25 1,000 25 500 Part B $40 AND By dividing the profit made from selling 10 sweaters, $400, by 10, I can see that the profit made from selling 1 sweater is $40. Other valid process Page 5

CSAP Mathematics Scoring Guide Part C Sweaters made more profit AND Difference in profit $200 20 sweaters $40 per sweater = $800 30 pairs of jeans $20 per pair of jeans = $600 $800 $600 = $200 Other valid process Score Points: Apply 4-point holistic rubric. This item appeared at two adjacent grade levels. Grade 5 Standard 3.4b: Data Analysis, Probability, and Statistics Subcontent Area: data displays Grade 6 Standard 3.4a: Data Analysis, Probability, and Statistics Subcontent Area: not classified Page 6

CSAP Mathematics 3 On the board in her classroom, Ms. Jones wrote the number sentence shown below. Study what three of her students said. 6 18 =? I don t know the exact answer, but I know it is more than 60. The answer is about 120. I can solve the number sentence using (6 10) + (6 8) = 108. N Part A In the space below, explain how Marni could know that the answer is more than 60 without solving the number sentence. Page 7

Part B In the space below, explain how Sally could use estimation to find that the answer is about 120. Part C Nick wants to use his strategy to solve the problem shown below. 7 24 =? In the space below, show how Nick would solve the problem using his strategy. Page 8

CSAP Mathematics Scoring Guide Item 3: Rubric Exemplary Response Part A 6 10 equals 60. Since 18 is greater than 10, the answer must be greater than 60. Other valid response Part B Sally rounded 18 to 20 and then multiplied 6 20 to get 120. Other valid response Part C (7 20) + (7 4) = 168 Other valid response Score Points: Apply 3-point holistic rubric. This item appeared at two adjacent grade levels. Grade 5 Standard 1.6b: Number Sense Subcontent Area: numbers and operations Grade 6 Standard 1.6a: Number Sense Subcontent Area: numbers and operations Page 9

CSAP Mathematics 4 Madeline is setting up dominoes in a line, as shown below. Each domino requires 7 inch of space in the line. 8 7 8 inch Part A The line of dominoes will be 29 feet long. A box of dominoes contains 28 dominoes. Estimate the number of boxes Madeline will need. In the space below, show your work and write your estimate on the line. Estimate boxes Page 10

Part B After Madeline pushes over the first domino, each domino in the line will fall one after the other. It takes 0.8 seconds for 5 dominoes to fall. Estimate the time it will take for all the dominoes to fall. In the space below, show your work and write your estimate on the line. Estimate seconds Item 4: Rubric Exemplary Response Part A Estimate 12 boxes (accept range 12 to 15 boxes) AND 7 Each domino requires 8 inch 1 inch, 29 feet 30 feet and 12 inches per foot 30 feet 360 inches, so 360 inches/1 inch per domino 360 dominoes, and 28 dominoes per box 30 dominoes per box, so 360 dominoes/30 dominoes per box 12 boxes. 7 Each domino requires 8 inch 0.875 inch. Approximately 360 inches/0.875 inch per domino 411 dominoes, and 411 dominoes/28 dominoes per box 14.7 boxes 15 boxes. Other valid response Page 11

CSAP Mathematics Scoring Guide Part B Estimate 72 seconds (accept range 54 to 80) AND 5 dominoes fall in 0.8 seconds 1 second the time it takes 360 dominoes to fall is approximately 360 dominoes/5 dominoes per second 72 seconds 29 feet 12 inches per foot 348 inches 350 inches/ 1 inch per domino 350 dominoes and 350 dominoes 0.8 seconds/ 5 dominoes 0.8 seconds 70 56 seconds Other valid response Score Points: Apply 3-point holistic rubric. This item appeared at only one grade level. Grade 7 Standard 6.3b: Operation and Calculation Subcontent Area: number sense Page 12

CSAP Mathematics 5 Study the diagram below. The diagram shows a farmer s field. It takes the farmer approximately 6 minutes to plow a strip that measures 10 feet wide by 600 feet long. 500 feet 10 feet 300 feet 600 feet 300 feet Drawing not to scale Part A What is the area, in square feet, that the farmer plows per minute? In the space below, show your work and write your answer on the line. square feet per minute Page 13

Part B At the same rate, approximately how long will it take the farmer to plow the entire field? In the space below, show your work and write your answer on the line. Approximately hours Part C The next time he plows his field, the farmer uses new equipment. Now, the farmer can plow a strip that measures 600 feet long by 12 feet wide in approximately 6 minutes. Approximately how much time will the farmer save when plowing his entire field with his new equipment? In the space below, show your work and write your answer on the line. Approximate time saved Page 14

CSAP Mathematics Scoring Guide Item 5: Rubric Exemplary Response Part A 1,000 square feet per minute AND One strip is (600 ft)(10 ft) 6,000 square feet. Since it takes 6 minutes to plow one strip, the area per minute is 6,000 square feet 1,000 square feet per minute. 6 minutes Other valid response Part B Approximately 4 hours (or 240 minutes) AND Area of entire field (500 ft)(300 ft) (300 ft)(300 ft) 150,000 90,000 240,000 square feet 240,000 square feet. At the same rate, it will take 1,000 square feet/minute 240 minutes, or 240 60 4 hours. Other valid response Page 15

CSAP Mathematics Scoring Guide Part C Approximate time saved 40 minutes AND With the new equipment, each strip will have an area of (600 ft)(12 ft) 7,200 square feet, so the new rate will be 7,200 square feet 1,200 square feet per minute. 6 minutes 240,000 square feet At that rate, the entire field will take 1,200 square feet/minute 200 minutes. So the new equipment will save 240 200 40 minutes. Other valid response Score Points: Apply 4-point holistic rubric. This item appeared at only one grade level. Grade 8 Standard 6.4a: Patterns, Functions, and Algebra Subcontent Area: proportional thinking Page 16

6 0 7 0 5 0 130 4 0 140 3 0 150 2 0 1 0 170 7 0 120 6 0 130 5 0 140 4 0 150 3 0 2 0 6 8 0 100 120 110 160 100 8 0 9 0 110 1 2 U.S.A 160 1 0 170 CSAP Mathematics From your punch-out tools, use the protractor to help you solve this problem. Part A The circle graph below shows the proportions of a publisher s books sold to schools, bookstores, and libraries. Label the circle graph by writing the percents on the lines. Books Sold Bookstores % Libraries Schools % % Part B The publisher sold 350,000 books last year. How many books were sold to bookstores? In the space below, show your work and write your answer on the line. books publisher company that prepares books Page 17

CSAP Mathematics Scoring Guide Item 6: Rubric Exemplary Response Part A Books Sold Bookstores 20 % Libraries Schools 15 65 % % Accept range: Libraries 14% to 15%, Bookstores 20% to 21%, Schools 64% to 65% Part B 70,000 books AND 350,000 books(20%) 350,000(0.20) 70,000 books Other valid response Score Points: Apply 2-point holistic rubric. This item appeared at only one grade level. Grade 8 Standard 3.1a: Data Analysis, Probability, and Statistics Subcontent Area: proportional thinking Page 18

CSAP Mathematics 7 Russell hits a golf ball, the path of which can be approximated by the equation shown below. y 1 (x 140) 2 49 400 y height of the ball, in yards x horizontal distance, in yards Part A Find the height of the ball after it has traveled a horizontal distance of 100 yards. In the space below, show your work and write your answer on the line. Height yards Part B What do the x-intercepts represent in the context of the problem? On the lines below, explain your reasoning. Page 19

Part C Study the diagram below. The diagram shows a tree at a horizontal distance of 160 yards from the starting point of the ball. The tree is 139 feet tall. 139 feet 160 yards Drawing not to scale By how many feet will the ball clear the tree? In the space below, show your work and write your answer on the line. feet Page 20/

CSAP Mathematics Scoring Guide Item 7: Rubric Exemplary Response Part A Height 45 yards AND 1 h = (100 140)2 49 400 1 h = 400 ( 40) 2 49 1 h = (1,600) 49 400 h = 4 49 h = 45 Other valid process Part B The x-intercepts represent the points at which the ball is at a height of zero yards, which are at the beginning of the hit and after the ball lands. Other valid process Page 21.

CSAP Mathematics Scoring Guide Part C 5 feet AND 1 h = (160 140)2 49 400 1 h = (400) 49 400 h = 1 49 48 yards 3 feet per yard = 144 feet Other valid process Score Points: Apply 3-point holistic rubric. This item appeared at two adjacent grade levels. Grade 9 Standard 2.3a: Patterns, Functions, and Algebra Subcontent Area: not classified Grade 10 Standard 2.3a: Patterns, Functions, and Algebra Subcontent Area: not classified Page 22/

CSAP Mathematics 8/ The snow sports club in Montrose surveyed its members. The results of the survey are shown below. 35% of the members downhill ski only. 20% of the members cross-country ski only. 45% of the members snowboard only. What is the fewest number of people that could be members of the club? In the space below, show your work and write your answer on the line. people Page 23

CSAP Mathematics Scoring Guide Item 8: Rubric Exemplary Response 20 people AND If 100 people were in the club, the ratio of each type would be 35:20:45. These numbers are all divisible by 5, giving 7:4:9, which is fully reduced. Summing gives 20 members. Other valid response Score Points: Apply 2-point holistic rubric. This item appeared at two adjacent grade levels. Grade 9 Standard 6.1a: Operation and Calculation Subcontent Area: not classified Grade 10 Standard 6.1a: Operation and Calculation Subcontent Area: not classified Page 24.

CSAP Mathematics 9 Karen will enlarge the photograph shown below. Height 5 inches Width 3 inches Drawing not to scale Part A While maintaining the ratio of height to width, Karen will increase the height to 12.5 inches. What will be the width of the enlarged photograph? In the space below, show your work and write your answer on the line. inches Page 25

Part B Karen will use a copy machine to enlarge the photograph. The copy machine increases the area of the photograph by any percentage, while maintaining the height-towidth ratio of the original. By what percent does Karen need to enlarge the area of the original photograph? In the space below, show your work and write your answer on the line. percent Part C Before framing, Karen surrounded the enlarged photograph with a 2-inch border. On the lines below, explain the effect of the border on the proportional relationship between the height and width. Page 26/

CSAP Mathematics Scoring Guide Item 9: Rubric Exemplary Response Part A 7.5 inches AND 12.5 3 5 7.5 inches Other valid process Part B 625 percent AND (12.5 7.5) (5 3) 100 625% Other valid process Part C The framed photograph does not have the same ratio because the ratios of the original and enlarged 1 1 photographs are 5 to 3, while the ratio of the framed photograph is 16 2 to 11 2. This is not an equivalent ratio because it does not reduce to 5/3. Other valid reponse comparing 5 : 3 to 16.5 : 11.5 NOTE: A student may draw diagrams in the space available at the bottom of the page. Diagrams may be referred to in the student s explanation. Score Points: Apply 3-point holistic rubric. This item appeared at only one grade level. Grade 10 Standard 6.1a: Operation and Calculation Subcontent Area: not classified Page 27.