Lesson 12.1 Skills Practice

Lesson 12.1 Skills Practice Name Date Customary to Whom? Customary Measurement Vocabulary Match each definition to its corresponding term. 1. to change a measurement to an equivalent measurement in different units a. standard units of measure 2. units used by everyone in a certain area b. measurement 3. the magnitude of a quantity specified with a number and a unit c. convert Problem Set Determine an approximate measure in customary units for each item. 1. the height of a stamp 2. the capacity of a jug of milk The height of a stamp is about one inch. 3. the weight of a loaf of bread 4. the weight of a slice of bread 5. the capacity of a fruit juice box 6. the average length of an adult shoe Chapter 12 Skills Practice 697

Lesson 12.1 Skills Practice page 2 Choose the appropriate customary unit of measure to use when measuring each of the following. 7. the length of a bicycle 8. the capacity of a bottle of glue The length of a bicycle would be best measured in inches or feet. 9. the weight of a tennis ball 10. the height of a tree 11. the distance of a marathon race 12. the capacity of a swimming pool Choose the most appropriate measurement for each of the following. 13. the capacity of a bottle of water a. 8 oz b. 16 fl oz c. 4 lb d. 14 gal b. 16 fl oz 14. the weight of a blue whale a. 500 yd b. 2 t c. 300,000 lb d. 56 c 15. the length of a car a. 13 ft b. 2000 lb c. 26 in. d. 45 qt 698 Chapter 12 Skills Practice

Lesson 12.1 Skills Practice page 3 Name Date 16. the capacity of a car s gas tank a. 20 fl oz b. 5 mi c. 3 t d. 16 gal 17. the average weight of a newborn baby a. 8 lb b. 9 oz c. 7 yd d. 6 gal 18. the length of a cat s tail a. 15 mi b. 12 in. c. 5 c d. 8 fl oz Complete each model. Multiply to determine each measurement conversion. 19. How many inches are in 2 feet? 2 ft? in. 1 ft 12 in. 1 ft 2 ft ( 12 in. 1 ft ) 5 24 in. There are 24 inches in 2 feet. 20. How many cups are in 3 pints?? c 1 pt 3 pt Chapter 12 Skills Practice 699

Lesson 12.1 Skills Practice page 4 21. How many ounces are in 2 pounds? 2 lb? oz 1 lb 22. How many yards are in 12 feet? 12 ft 1 yd? ft 23. How many quarts are in 16 cups? 1 qt? c 16 c 700 Chapter 12 Skills Practice

Lesson 12.1 Skills Practice page 5 Name Date 24. How many pounds are in 48 ounces? 48 oz 1 lb? oz Multiply to determine each measurement conversion. 25. How many feet are in 3 miles? 3 mi ( 5280 ft 1 mi ) 5 15,840 ft There are 15,840 feet in 3 miles. 26. How many pounds are in 5 tons? 27. How many fluid ounces are in 8 cups? 28. How many yards are in 504 inches? 29. How many pounds are in 480 ounces? 30. How many gallons are in 200 quarts? Chapter 12 Skills Practice 701

Lesson 12.1 Skills Practice page 6 31. How many ounces are in 1 ton? 32. How many yards are in 2 miles? 33. How many inches are in 1 mile? 34. How many fluid ounces are in 2 pints? 35. How many pints are in 3 gallons? 36. How many fluid ounces are in 4 quarts? 702 Chapter 12 Skills Practice

Lesson 12.2 Skills Practice Name Date It s All Based on Powers of 10! Metric Measurement Vocabulary Choose the term from the box that best completes each statement. gram meter prefix liter 1. The standard unit of length in the metric system is the. 2. The standard unit of capacity is the. 3. The standard unit of mass is the. 4. A is a group of letters attached to the beginning of a word which changes the meaning of the word. Problem Set Choose the appropriate metric unit of measure to use when measuring each of the following. 1. the width of a roadway 2. the mass of a horse The width of a roadway would be best measured in meters. 3. the capacity of a fish tank 4. the length of a road between two cities 5. the mass of a penny 6. the capacity of a pond Chapter 12 Skills Practice 703

Lesson 12.2 Skills Practice page 2 Choose the most appropriate measurement for each of the following. 7. the mass of a tiger a. 30 mg b. 75 kl c. 95 kg d. 45 cm c. 95 kg 8. the length of a basketball court a. 29 m b. 85 ml c. 30 mm d. 12 g 9. the capacity of a mug a. 300 L b. 250 ml c. 400 mg d. 300 km 10. the mass of a bowling ball a. 6 mg b. 9 L c. 5 m d. 7 kg 11. the length of a pencil a. 20 km b. 16 mg c. 18 cm d. 14 ml 12. the capacity of a bucket a. 9 kl b. 6 L c. 8 g d. 10 mm Complete each sentence with the appropriate number or unit of measure. 13. A meter is 100 centimeters. 14. One thousand grams is 1. 15. A milligram is of a gram. 16. A kiloliter is liters. 17. A is 1 of a meter. 18. A liter is 1000. 100 704 Chapter 12 Skills Practice

Lesson 12.2 Skills Practice page 3 Name Date Use the metric system chart to determine each measurement conversion. 19. 5 dam 5 50 m km(1000) hm(100) dam(10) m(1) dm(0.1) cm(0.01) mm(0.001) 5 20. 8 km 5 dam km(1000) hm(100) dam(10) m(1) dm(0.1) cm(0.01) mm(0.001) 8 21. dm 5 37 cm km(1000) hm(100) dam(10) m(1) dm(0.1) cm(0.01) mm(0.001) 3 7 22. hm 5 201 m km(1000) hm(100) dam(10) m(1) 2 0 1 dm(0.1) cm (0.01) mm(0.001) Chapter 12 Skills Practice 705

Lesson 12.2 Skills Practice page 4 23. 95.2 dam 5 mm km(1000) hm(100) dam(10) m(1) dm(0.1) cm(0.01) mm(0.001) 9 5 2 24. 4.78 km 5 dm km(1000) hm(100) dam(10) m(1) dm(0.1) cm(0.01) mm(0.001) 4 7 8 Multiply to determine each measurement conversion. 25. How many centimeters is 3.4 kilometers? 3.4 km ( 1000 m 1 km ) 5 3400 m 3400 m ( 100 cm 1 m ) 5 340,000 cm 26. How many meters is 350 millimeters? There are 340,000 centimeters in 3.4 kilometers. 27. How many milligrams is 12.9 kilograms? 28. How many grams is 25 milligrams? 29. How many liters is 3.75 kiloliters? 30. How many kiloliters is 269 milliliters? 706 Chapter 12 Skills Practice

Lesson 12.3 Skills Practice Name Date They re Saying the Same Thing? Moving between Measurement Systems Problem Set Estimate each measurement conversion. 1. If a dog is 14 inches tall, what is the approximate height in centimeters? One inch is about 2.5 centimeters. So, 14 inches is about 35 centimeters. 2. If a tennis court is 24 meters long, what is the approximate length in yards? 3. If the speed limit is 65 miles per hour, what is the approximate speed limit in kilometers per hour? 4. If a child s shoe is 15 centimeters long, what is the approximate length in inches? 5. If an infant weighs 18 pounds, what is the approximate weight in kilograms? 6. If a horse weighs 400 kilograms, what is the approximate weight in pounds? Chapter 12 Skills Practice 707

Lesson 12.3 Skills Practice page 2 Write a proportion to calculate each measurement conversion for units of length. Round your answer to the nearest hundredth, if necessary. 7. 17 in. 5 cm 17 in. x cm 5 1 in. 2.54 cm (17)(2.54) 5 (x)(1) 8. 4 m 5 in. 43.18 5 x 17 in. 5 43.18 cm 9. 32 cm 5 in. 10. 57 mi 5 km 11. 14 yd 5 m 12. 26 m 5 ft 708 Chapter 12 Skills Practice

Lesson 12.3 Skills Practice page 3 Name Date Write a proportion to calculate each measurement conversion for units of mass. Round your answer to the nearest hundredth, if necessary. 13. 13 oz 5 g 13 oz x g 5 1 oz 28.35 g (13)(28.35) 5 (x)(1) 14. 26 g 5 oz 368.55 5 x 13 oz 5 368.55 g 15. 42 kg 5 lb 16. 120 lb 5 kg 17. 4.8 oz 5 g 18. 78.4 g 5 oz Write a proportion to calculate each measurement conversion for units of capacity. Round your answer to the nearest hundredth, if necessary. 19. 9 pt 5 L 20. 15 L 5 pt 9 pt 1 pt 5 x L 0.47 L (9)(0.47) 5 (x)(1) 4.23 5 x 9 pt 5 4.23 L Chapter 12 Skills Practice 709

Lesson 12.3 Skills Practice page 4 21. 54 L 5 qt 22. 3 gal 5 L 23. 16.2 qt 5 L 24. 46.8 L 5 gal Use the given information to answer each question. 25. Rosa drove 175 miles to visit her grandparents. How many kilometers did she travel? 175 mi x km 5 1 mi 1.61 km (175)(1.61) 5 (x)(1) 281.75 5 x 175 mi 5 281.75 km Rosa traveled 281.75 kilometers. 26. Franco weighs 165 pounds. What is his mass in kilograms? 710 Chapter 12 Skills Practice

Lesson 12.3 Skills Practice page 5 Name Date 27. Ronna is making dinner for her family. The recipe she is using calls for 0.5 kilogram of ground chicken. How many pounds of ground chicken does she need? 28. Hector needs to refill his lawn mower gas tank. The tank holds 4.2 liters of gas. How many gallons of gas does the tank hold? 29. Lee is going to compete in a 5000 meter Race Walk. How long is the race in yards? 30. Lavon s favorite basketball player is 2.1 meters tall. How tall is Lavon s favorite basketball player in feet? Chapter 12 Skills Practice 711

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Lesson 12.4 Skills Practice Name Date Is That Appropriate? Choosing Appropriate Measures Problem Set Choose the appropriate measurement for each figure. 1. Which measurement best describes the area of the figure? a. 35 in. 5 in. b. 35 in. 2 c. 35 in. 3 b. 35 in. 2 7 in. 2. Which measurement best describes the perimeter of the figure? a. 90 mm b. 90 mm 3 c. 90 mm 2 30 mm 30 mm 30 mm 3. Which measurement best describes the volume of the figure? a. 1536 cm 2 b. 1536 cm 3 c. 1536 cm 8 cm 16 cm 12 cm Chapter 12 Skills Practice 713

Lesson 12.4 Skills Practice page 2 4. Which measurement best describes the perimeter of the figure? a. 32 ft 3 10 ft b. 32 ft 2 c. 32 ft 6 ft 5. Which measurement best describes the area of the figure? a. 20 cm 2 b. 20 cm 4 cm c. 20 cm 3 10 cm 6. Which measurement best describes the volume of the figure? a. 603.2 in. b. 603.2 in. 3 Radius = 4 in. c. 603.2 in. 2 Height = 12 in. 7. Which measurement best describes the area of the figure? a. 225 mm 2 b. 225 mm 3 c. 225 mm 15 mm 714 Chapter 12 Skills Practice

Lesson 12.4 Skills Practice page 3 Name Date 8. Which measurement best describes the volume of the figure? a. 972 cm b. 972 cm 2 c. 972 cm 3 9 cm 18 cm 12 cm Choose the appropriate customary unit of measure and metric unit of measure to use when measuring each of the following. 9. the height of a building 10. the weight of a giraffe The height of a building would be best measured in feet or meters. 11. the capacity of a propane tank 12. the length of a dog s tail The length of a dog s tail would be best measured in inches or centimeters. 13. the weight of a penny 14. the capacity of a shampoo bottle Choose the most appropriate unit from the indicated system of measurement to answer each question. 15. A race car is traveling at a speed of 185 miles per hour. How can this be stated using the most appropriate unit in the metric system? 185 mi x km 5 1 mi 1.61 km (185)(1.61) 5 (x)(1) 297.85 5 x 185 mi 5 297.85 km The race car is traveling at 297.85 kilometers per hour. Chapter 12 Skills Practice 715

Lesson 12.4 Skills Practice page 4 16. The capacity of a bottle of fruit juice is 2.5 L. How can this be stated using the most appropriate unit in the customary system? 17. A car weighs 3500 lbs. How can this be stated using the most appropriate unit in the metric system? 18. The length of a rattlesnake is 1.4 meters. How can this be stated using the most appropriate unit in the customary system? 19. The capacity of a barrel of oil is 42 gallons. How can this be stated using the most appropriate unit in the metric system? 716 Chapter 12 Skills Practice

Lesson 12.4 Skills Practice page 5 Name Date 20. A rhinoceros has a mass of 1200 kilograms. How can this be stated using the most appropriate unit in the customary system? Chapter 12 Skills Practice 717

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