Activity 2: Conversions • Work in groups of two or three. • Name something that could be measured by each metric measurement listed below (make sure you state whether it is a length, capacity, or weight). • Convert each metric measurement to an appropriate U.S. customary measurement. • Determine whether your original answer was reasonable. • If your fi rst answer was not reasonable, name something that is more appropriate. • The fi rst one has been done for you. 1) 6.75 kg: The weight of a computer monitor 2) 90.96 L 3) 28.65 m 4) 350 g 5) 2.8 kg Group Activity Answers Activity 1 Answers A. 1) j 2) e 3) h 4) f 5) c 6) d 7) b 8) a 9) i 10) g B. 1) 1700 kg 1,700,000 g. The numerical part of the answer increased. 2) 1.35 mm 0.135 cm. The numerical part of the answer decreased. 3) 0.5 mL 0.005 dL. The numerical part of the answer decreased. 4) 0.98 m 98 cm. The numerical part of the answer increased. 5) 68.22 kL 68,220 L. The numerical part of the answer increased. 6) Answers will vary. Possible answer: When we convert a larger unit to a smaller unit, the numerical part of the answer gets larger. When we convert a smaller unit to a larger unit, the numerical part of the answer gets smaller. When we convert from a larger unit to a smaller unit, we multiply to get our answer. When we convert from a smaller unit to a larger unit, we divide to get our answer. Activity 2 Answers 1) The weight of a computer monitor (6.75 kg is about 15 pounds) 2) Possible answer: The amount of water in a bathtub: 90.96 L 24 gal 3) Possible answer: The length of a basketball court: 28.65 m 95.5 ft 4) Possible answer: The weight of a cell phone: 350 g 12.35 oz 5) Possible answer: The weight of a textbook: 2.8 kg 6.2 lb Compare your answers with the answers of another group. Were your answers similar in length, capacity, and weight? 612 CHAPTER 7 Measurement and Conversion www.mhhe.com/messersmith
messersmith_power_prealgebra_1e_ch4_7_10
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