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Grade 5 Module 1 Lesson 4

Grade 5 Module 1 Lesson 4. Convert and Write an Equation with an exponent. Answer Key. Problem 1. 5 m x 100 = 500 cm 60 ÷ 100 = 0.60 m 2300 ÷ 1000 = 2.3 L 0.4621 x 1000 = 462.1 ml 80.4 x 1000 = 80,400 m 0.725 x 1000 = 725 m 456 ÷ 1000 = 0.456 kg 0.3 x 1000 = 300 g. Problem 2.

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Grade 5 Module 1 Lesson 4

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  1. Grade 5 Module 1 Lesson 4 Convert and Write an Equation with an exponent. Answer Key

  2. Problem 1 • 5 m x 100 = 500 cm • 60 ÷ 100 = 0.60 m • 2300 ÷ 1000 = 2.3 L • 0.4621 x 1000 = 462.1 ml • 80.4 x 1000 = 80,400 m • 0.725 x 1000 = 725 m • 456 ÷ 1000 = 0.456 kg • 0.3 x 1000 = 300 g

  3. Problem 2 • 2.7 km = 2.7 x 1000 = 2700 m • 3.461 L = 3.461 x 1000 = 3461 ml • 5.005 kg = 5.005 x 1000 = 5005 g • 8 ml = 8 ÷ 1000 = .008 L • 4079 g = 4079 ÷ 1000 = 4.079 kg

  4. Problem 3 A dining room table measures 1.78 m long. Express this measurement in millimeters. • 1 meter = 1000 millimeters. We multiply 1.78 x 1000, where the digits move 3 places to the left of a place value chart. The result will be 1780 ml • 1.78 x 103 = 1780 ml

  5. Problem 4 Eric and Yi Ting commute to school every day. Eric walks 0.81 km and Yi Ting walks 0.65 km. How far did each of them walk in meters? Explain your answer using an equation that includes an exponent. 1 km = 1000 meters 0.81 x 1000 = 0.81 x 103 = 810 meters 0.65 x 1000 = 0.65 x 103 = 650 meters

  6. Problem 5 There were 9 children at a birthday party. Each child drank one 200 ml juice box. How many liters of juice did they drink altogether? Explain your answer using an equation that includes an exponent. 9 x 200 ml = 1800 ml 1000 ml = 1 L So 1800 ÷ 1000 or 1800 ÷ 103 = 1.8 L

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