Multiple Choice. Test A. Choose the best answer. 1. Which ratio forms a proportion with 3

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1 Name Date Class Multiple Choice Test A Choose the best answer. 1. Which ratio forms a proportion with 3 8? A B C D Which pair of fractions forms a proportion? A B 7 9, , 1 18 C D 3 4, 2 3 8, Which value completes the table below comparing two different serving sizes? Serving Size (g) Protein (g) A 16 B The mass of a block of stone is 2000 kilograms. If the block has a volume of 0. cubic meters, what is its density? Remember, density is mass per unit of volume. A 4000 kilograms per cubic meter B 1000 kilograms per cubic meter. Which of these prices is lower than 8 for $10.00? A 3 for $4.00 C 6 for $7.0 B 11 for $12.00 D for $ A packing machine can pack 3000 boxes in 4 hours. At what rate does the machine work? A 340 boxes/hour B 480 boxes/hour C 640 boxes/hour D 70 boxes/hour 7. Solve the following proportion for x. $20 2 hours = x 8 hours A $10 C $160 B $40 D $80 8. Solve the following proportion for x. $24 3 hours = x 6 hours A $48 B $72 9. Which gives a proportion? A =? 4 B 1 3 =? Triangle ABC is similar to triangle DEF. What is the value of x? A 6 B A photograph 6 inches wide by 8 inches long is scaled to 12 inches long in a book. What is the width of the published picture? A 4 inches C 3 inches B 9 inches D 16 inches 87 Holt McDougal Mathematics

2 Name Date Class Multiple Choice Test A, continued 12. Which of the following triangles is similar to a triangle that measures 12 units by 16 units by 20 units? A C B D Two cities are separated by 6 inches on a map. The actual distance between the cities is 30 miles. What is the map scale? A 1 inch : miles B 1 inch : 0.2 miles 14. A model ocean liner is 12 inches long. If it is built to a scale of 1 inches : 300 feet, how long is the real ocean liner? A 300 feet B 3600 feet 1. A model of an integrated circuit wafer board uses the scale 1. centimeters = 30 millimeters. If the model is 1 centimeters wide, how wide is the actual integrated circuit wafer board? A 3 millimeters B 30 millimeters C 300 millimeters D 3000 millimeters 16. How many milliliters is 2. liters? A 2 milliliters B 20 milliliters C 200 milliliters D 2,000 milliliters 17. To the nearest whole number, what is the mass in grams of a half-pound steak? A 113 grams B 22 grams 18. Mark rode his bike to school at an average speed of 12 miles per hour. What was his speed in feet per minute? A 106 feet per minute B 63,360 feet per minute C 0.2 feet per minute D 2640 feet per minute 19. Missy is 1. meters tall and casts a 9-meter shadow. How long is the shadow of a 6-meter flagpole beside her? A 1 meter C 9 meters B 3 meters D 36 meters 20. The end of a 1000-foot kite string is anchored to the ground. The string represents a straight line. At a point 0 feet along the string from the anchor point, the string is 10 feet above the ground. How high is the kite flying? A 00 feet B 200 feet C 10,000 feet D 100 feet 88 Holt McDougal Mathematics

3 Name Date Class Multiple Choice Test B Choose the best answer. 1. Which ratio forms a proportion with 7? A B C D Which pair of fractions forms a proportion? F G 12 1, , 1 17 H I 8 4, , Which value completes the table below comparing two different servings sizes? Serving Size (g) Protein (g) 8 1.? 10. A 6. C 6 B 20 D The mass of a block of stone is 400 kilograms. If the block has a volume of 0. cubic meters, what is its density? Remember, density is mass per unit of volume. F 220 kilograms per cubic meter G 400 kilograms per cubic meter H 9000 kilograms per cubic meter I 18,000 kilograms per cubic meter. Which of these prices is lower than for $9.00? A 3 for $6.00 C 6 for $10.00 B 8 for $16.00 D 10 for $ A packing machine can pack 4000 boxes in hours. At what rate does the machine work? F 800 boxes/hour G 2000 boxes/hour H 4000 boxes/hour I 20,000 boxes/hour 7. Solve the following proportion for x. $2 2 hours = x 30 hours A $2.40 C $37 B $4.00 D $ Solve the following proportion for x. x CDs $18.00 = 3 CDs $27.00 F 0.67 H 2 G 1 I Which gives a proportion? A B =? =? 12 C D =? =? Triangle ABC is similar to triangle DEF. What is the value of x? F 1 16 H G 4 I Holt McDougal Mathematics

4 Name Date Class Multiple Choice Test B, continued 11. A photograph 8 inches wide by 10 inches long is scaled to 4. inches long in a magazine. What is the width of the published picture? A 1.8 inches C 4.0 inches B 3.6 inches D.7 inches 12. Which of the following triangles is similar to a triangle that measures units by 12 units by 1 units? F H G I Two cities are separated by 3.7 inches on a map. The actual distance between the cities is 11.1 miles. What is the map scale? A 1 inch:3 inches B 1 inch:0.33 mile C 1 inch:3 miles D 1 inch:30 miles 14. A model boat is 1 inches long. If it is built to a scale of 1 inches : 20 feet, how long is the real boat? F 16.7 feet H 312. feet G 167 feet I 370 feet 1. A model of an integrated circuit wafer board uses the scale 1 centimeter = 20 millimeters. If the model is 16 centimeters wide, how wide is the actual integrated circuit wafer board? A 31.2 millimeters B 32 millimeters C 320 millimeters D 312 millimeters 16. How many hours is 13 minutes? F 0.2 hour H 1.6 hours G 1.2 hours I 2.2 hours 17. To the nearest hundredth, how many feet is centimeters? A 0.17 feet C 2.4 feet B 0.42 feet D.8 feet 18. Malik rode his bike to school at an average speed of 1 miles per hour. What was his speed in feet per minute? F 0.2 feet per minute G 1320 feet per minute H 13,200 feet per minute I 79,200 feet per minute 19. Jana is 1. meters tall and casts a 6-meter shadow. How long is the shadow of a 12-meter flagpole beside her? A 2 meters C 48 meters B 24 meters D 72 meters 20. The end of a 00-foot kite string is anchored to the ground. At a point 10 feet along the string from the anchor point, the string is feet above the ground. How high is the kite flying? F 10 feet H 20 feet G 2 feet I 1000 feet 90 Holt McDougal Mathematics

5 Name Date Class Multiple Choice Test C Choose the best answer. 1. Which ratio forms a proportion with 7 1? A B C D Which pair of fractions forms a proportion? F G 3, , 8 10 H I 9 10, , Which value completes the table below comparing two different serving sizes? Serving Size (g) Protein (g) A 9 C 18 B 12 D The mass of a block of stone is 3200 kilograms. If the block has a volume of 0.4 cubic meters, what is its density? Remember, density is mass per unit of volume. F 800 kilograms per cubic meter G 1280 kilograms per cubic meter H 8000 kilograms per cubic meter I 12,800 kilograms per cubic meter. Which of these prices is lower than for $3.00? A 6 for $3.72 C 8 for $.44 B 7 for $4.06 D 12 for $ A packing machine can pack 200 boxes in 4 hours. At what rate does the machine work? F 312 boxes/hour G 7 boxes/hour H 62 boxes/hour I 10,000 boxes/hour 7. Solve the following proportion for x. $18 1. hours = x 12 hours A $108 C $180 B $144 D $ Solve the following proportion for x. $16 2. hours = x 10 hours F $64 H $90 G $80 I $ Which gives a proportion? A B 8 9 =? =? 16 C D =? =? Triangle ABC is similar to triangle DEF. What is the value of x? F 1 H 30 G 20 I Holt McDougal Mathematics

6 Name Date Class Multiple Choice Test C, continued 11. A photograph 12 inches wide by 16 inches long is scaled to 12 inches long in a book. What is the width of the published picture? A 6 inches C 9 inches B 8 inches D 12 inches 12. Which of the following triangles is similar to a triangle that measures 13 units by 16 units by 2 units? F H G I Two cities are separated by 3. inches on a map. The actual distance between the cities is 28 miles. What is the map scale? A 1 inch : miles B 1 inch : 8 miles C 8 inches : 1 miles D 1 inch : 0.12 miles 14. A model boat is 9.8 inches long. If it is built to a scale of 1 inches : 13 feet, how long is the real boat? F feet H feet G feet I 1323 feet 1. A model of a hair follicle uses the scale 1 centimeter : meters. If the diameter of the model is 3.6 centimeters, what is its actual diameter of the hair follicle? A meters B meters C meters D meters 16. How many gallons can a 10-quart pot hold? F 0.2 gallon G 2.2 gallons H 2. gallons I 40 gallons 17. How many liters are in a 16-ounce drink? A 0.47 liters C 47 liters B 4.7 liters D 474 liters 18. Helen rode her bike to school at an average speed of 9 miles per hour. What was her speed in feet per minute? F 792 feet per minute G 3960 feet per minute H 472 feet per minute I 39,600 feet per minute 19. Georgia is 1.6 meters tall and casts an 8-meter shadow. How long is the shadow of a 4.8-meter flagpole beside her? A 0.96 meters C 11.2 meters B 7.68 meters D 24 meters 20. The end of a 960-foot kite string is anchored to the ground. The string represents a straight line. At a point 24 feet along the string from the anchor point, the string is 6 feet above the ground. How high is the kite flying? F 30 feet H 144 feet G 40 feet I 240 feet 92 Holt McDougal Mathematics

7 Name Date Class Free Response Test A 1. Write a ratio that forms a proportion with Does the pair of fractions form a proportion? 8 9, Which value completes the table below comparing two different serving sizes? Serving Size (g) Protein (g) The mass of a block of stone is 3000 kilograms. If the block has a volume of 1. cubic meters, what is its density? Remember, density is mass per unit of volume. 6. A packing machine can pack 200 boxes in hours. At what rate does the machine work? _ 7. Solve the following proportion for x. $1 3 hours = x 10 hours _ 8. Solve the following proportion for x. $30 2 hours = x 1 hours _ 9. Is 3 12 =? 1 4 a proportion? _ 10. Triangle ABC is similar to triangle DEF. What is the value of x? _. What is the price per unit if apples are for $1.20? 93 Holt McDougal Mathematics

8 Name Date Class Free Response Test A, continued 11. A photograph 20 inches wide by 24 inches long is scaled to 6 inches long in a magazine. What is the width of the published picture? 12. Write the dimensions of a triangle that is similar to a triangle that measures 7 units by 12 units by 1 units. 13. Two cities are separated by 8 inches on a map. The actual distance between the cities is 40 miles. What is the map scale? 14. A model boat is 1 inches long. If it is built to a scale of 1 inches : 18 feet, how long is the real boat? 1. A model of an integrated circuit wafer board uses the scale 1 centimeters = 2 millimeters. If the actual circuit wafer board is 22 millimeters wide, how wide is the model? 16. To the nearest hundredth, how many liters are 20 milliliters? _ 17. To the nearest whole number, what is the mass in grams of a 1 3 -pound steak? _ 18. Lenny rode his bike to school at an average speed of 10 miles per hour. What was his speed in feet per minute? _ 19. Eric is 2 meters tall and casts a 10-meter shadow. How long is the shadow of an 8-meter flagpole beside him? _ 20. The end of a 600-foot kite string is anchored to the ground. The string represents a straight line. At a point 100 feet along the string from the anchor point, the string is 2 feet above the ground. How high is the kite flying? _ 94 Holt McDougal Mathematics

9 Name Date Class Free Response Test B For 1 and 2, simplify to tell whether the ratios form a proportion and Jenna ran a 30,000 meter cross country race in 4 hours. What was her average speed, in meters/hour? _ and Find the value for x that compares the cost of two different weights of salad at the salad bar. weight (lb) cost ($) x 4. The population of a small city is 42,000 people. Calculate the population density (people per square kilometer) if the area of the city is 70 square kilometers.. Find the unit price for each offer to determine which is the better buy: 6 paperback books for $19.00 or 8 paperback books for $ _ For 7 and 8, solve the proportion. 7. $ hours = y 2 hours 8. x $14.00 = 3 tickets $ Is 4 20 =? 3 16 a proportion? _ 10. What is the value of x if the two triangles below are similar? _ 9 Holt McDougal Mathematics

10 Name Date Class Free Response Test B, continued 11. Lisa is having a inches by 7 inches photo made into a poster with similar dimensions. If the poster is 2 feet wide, how long will it be? Give your answer in feet. 12. Write the dimensions of a triangle that is similar to a triangle that measures units by 9 units by 14 units. 13. On a blueprint, the drawing of a building is 12.4 inches long. The actual length of the building is 74.4 feet. What is the scale of the blueprint in inches : feet. 14. A model of an airplane is 30 centimeters long. If the scale factor is 1 centimeters : 7 meters, what is the length of the actual airplane? 1. A model of an integrated circuit wafer board uses the scale 3 centimeters = 160 millimeters. If the actual circuit wafer board is 300 millimeters wide, how wide is the model? 16. To the nearest hundredth, how many hours is 7 minutes? _ 17. To the nearest hundredth, how many feet is 10 centimeters? _ 18. A train travels on a section of track at a speed of 48 miles per hour. To the nearest tenth, what is the train's speed in feet per second? 19. Two flagpoles are located in front of the school. The shorter flagpole is 4. meters tall and casts a shadow that is 12 meters long. How long is the shadow of the pole that is 13. meters tall? _ 20. A 10 foot cable runs from the top of a utility pole to its anchor point in the ground. At a point 6 feet along the cable from the anchor, the cable is 2 feet above the ground. Given that the cable does not sag, how tall is the utility pole? _ 96 Holt McDougal Mathematics

11 Name Date Class Free Response Test C 1. Write a ratio that forms a proportion with Does the pair of fractions form a proportion? 4, Which value completes the table below comparing two different serving sizes? Serving Size (g) Protein (g) The mass of a block of stone is 6400 kilograms. If the block has a volume of 0.8 cubic meters, what is its density? Remember, density is mass per unit of volume. 6. A packing machine can pack 400 boxes in 3 hours. At what rate does the machine work? _ 7. Solve the following proportion for x. $27 3 hours = x 11 hours _ 8. Solve the following proportion for x. $4 4 hours = x 10 hours _ 9. Is 6 8 =? a proportion? _ 10. Triangle ABC is similar to triangle DEF. What is the value of x? _. What is the price per unit if grapefruits are 4 for $ 1.48? 97 Holt McDougal Mathematics

12 Name Date Class Free Response Test C, continued 11. A photograph 14 inches wide by 16 inches long is scaled to 4 inches long in a magazine. What is the width of the published picture? 12. Write the dimensions of a triangle that is similar to a triangle that measures 4.2 units by 6.8 units by 8.4 units. 13. Two cities are separated by 6. inches on a map. The actual distance between the cities is 48.7 miles. What is the map scale? 14. A model boat is 11. inches long. If it is built to a scale of 1 inches : 16 feet, how long is the real boat? 1. A model of a hair follicle uses the scale 2 centimeters : meters. If the diameter of the model is 3.6 centimeters, what is its actual diameter of the hair follicle? 16. To the nearest hundredth, how many gallons can a 1-quart pot hold? _ 17. To the nearest hundredth, how many liters are in a 24-ounce drink? _ 18. Rick rode his bike to school at an average speed of 9. miles per hour. What was his speed in feet per minute? _ 19. Daniel is 2 meters tall and casts a 8.-meter shadow. How long is the shadow of a 7-meter flagpole beside him? _ 20. The end of a 900-foot kite string is anchored to the ground. The string represents a straight line. At a point 7 feet along the string from the anchor point, the string is 14 feet above the ground. How high is the kite flying? _ 98 Holt McDougal Mathematics

13 30. I 31. A 32. H 33. B 34. I 3. C 36. G 37. D 38. G 39. D 40. H 41. B 42. H 43. A 44. F Chapter Section A Quiz 1. B 2. H 3. B 4. F. C 6. G 7. C 8. G Chapter Section B Quiz 1. C 2. F 3. B 4. I. D 6. F 7. D 8. G Chapter Multiple Choice Test A 1. C 2. B 3. A 4. A. B 6. D 7. D 8. A 9. A 10. B 11. B 12. A 13. A 14. B 1. C 16. C 17. B 18. A 19. D 20. B Chapter Multiple Choice Test B 1. A 2. I 3. C 4. H. C 6. F 7. C 8. H 9. D 10. H 11. B 12. I 13. C 14. I 1. C 16. I 17. A 18. G 19. C 20. H 243 Holt McDougal Mathematics

14 Chapter Multiple Choice Test C 1. B 2. G 3. D 4. H. B 6. H 7. B 8. F 9. C 10. G 11. C 12. G 13. B 14. I 1. B 16. H 17. A 18. F 19. D 20. I Chapter Free Response Test A 1. Answers will vary.possible answer: 2 2. no kilograms per cubic meter. $ boxes per hour 7. $0 8. $22 9. yes inches 12. Answers will vary. Possible answer: units inch : miles feet 1. 9 centimeters liters grams feet per minute meters feet Chapter Free Response Test B 1. yes 2. yes people per square kilometer. 6 books cost $3.17 per book, 8 books cost $3.2 per book, 6 books is the better buy meters per hour 7. y = $ x = 2 tickets 9. no 10. x = feet 12. Answers will vary. Possible answer: units inch : 6 feet meters centimeters hours feet feet per second meters feet Chapter Free Response Test C 1. Answers will vary.possible answer: no kilograms per cubic meter. $ boxes per hour 7. $ Holt McDougal Mathematics

15 8. $ no inches 12. Answers will vary. Possible answer: units inch : 7. miles feet meters gallons liters feet per minute meters feet Chapter Performance Assessment 1. 3 feet 2. 3 feet feet 4. 1 feet by 16 feet. 69 feet 6. $ square yards 8. $ feet, 2.2 feet, and 4 feet feet by feet square feet gallons Chapter Cumulative Test 1. D 2. H 3. B 4. G. A 6. G 7. A 8. F 9. A 10. I 11. B 12. F 13. C 14. F 1. C 16. F 17. A 18. F 19. A 20. H 21. A 22. H 23. A 24. G 2. A 26. I 27. C 28. G 29. A 30. I 31. C 32. G 33. C 34. F 3. C 36. G 37. B 38. I 39. A 6 Chapter 6 Section A Quiz 1. D 2. G 3. D 4. H. A 6. F 24 Holt McDougal Mathematics