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NYS COMMON CORE MATHEMATICS CURRICULUM End-of-Module 2 Study Guide Name Less 5•2 •3 Date 1. Express the missing divisor using a power of 10. Explain your reasoning using a place value model. a. 12.6 ÷ _____ = 0.126 b. 26,100 ÷ _______ = 2.61 2. Estimate the quotient by rounding the equation to relate to a one-digit fact. Explain your thinking in the space below. a. 652 ÷ 21 ≈ _______ b. 3652 ÷ 590 ≈ _____________ 3. Generate and solve another division problem with the same quotient and remainder as the two problems below. Explain your strategy for creating the new problem. 7 Module 2: Date: © 2013 Common Core, Inc. Some rights reserved. commoncore.org 6 5 6 4 2 1 4 6 2 3 8 3 7 1 6 6 2 4 Multi-Digit Whole Number and Decimal Fraction Operations 11/19/13 This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License. 2.S.10 NYS COMMON CORE MATHEMATICS CURRICULUM End-of-Module Study Guide Lesson New York State Common Core 4. Divide, then check using multiplication. Module 2: Date: © 2013 Common Core, Inc. Some rights reserved. commoncore.org Multi-Digit Whole Number and Decimal Fraction Operations 11/19/13 This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License. 2.S.11 NYS COMMON CORE MATHEMATICS CURRICULUM End-of-Module Study Guide Lesson New York State Common Core 5. Sarah says that 123 ÷ 10 equals 63 ÷ 5 because both are “12 R3.” Explain her mistake using decimal division. 6. A rectangular swimming pool has an area of 1,800 square meters. If the length of the pool is 50 m, find the length. Module 2: Date: © 2013 Common Core, Inc. Some rights reserved. commoncore.org Multi-Digit Whole Number and Decimal Fraction Operations 11/19/13 This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License. 2.S.12 NYS COMMON CORE MATHEMATICS CURRICULUM End-of-Module Study Guide Lesson New York State Common Core 7. Holly is buying orange juice for the class party. There are 24 people coming, and she figures each person will drink 1.75 cups. a. How many fluid ounces of juice will she need? Use words, numbers, and pictures to explain your thinking. (1 cup = 8 fl oz) b. If she buys five 59-ounce containers, will she have enough juice? 8. A crane operator unloaded the following cargo: 5 pallets of lumber. Each pallet weighs 7.3 tons. 9 pallets of concrete. Each pallet weighs 4.8 tons. a. How many pounds of cargo were unloaded? b. Which load of cargo was heavier, the lumber or the concrete? How many pounds heavier? Module 2: Date: © 2013 Common Core, Inc. Some rights reserved. commoncore.org Multi-Digit Whole Number and Decimal Fraction Operations 11/19/13 This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License. 2.S.13 End-of-Module Study Guide Lesson NYS COMMON CORE MATHEMATICS CURRICULUM New York State Common Core Name Date 4. Express the missing divisor using a power of 10. Explain your reasoning using a place value model. b. 12.6 ÷ _____ = 0.126 b. 26,100 ÷ _______ = 2.61 5. Estimate the quotient by rounding the equation to relate to a one-digit fact. Explain your thinking in the space below. b. 652 ÷ 21 ≈ _______ b. 3652 ÷ 590 ≈ _____________ 6. Generate and solve another division problem with the same quotient and remainder as the two problems below. Explain your strategy for creating the new problem. 7 Module 2: Date: © 2013 Common Core, Inc. Some rights reserved. commoncore.org 6 5 6 4 2 1 4 6 2 3 8 3 7 1 6 6 2 4 Multi-Digit Whole Number and Decimal Fraction Operations 11/19/13 This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License. 2.S.14 NYS COMMON CORE MATHEMATICS CURRICULUM End-of-Module Study Guide Lesson New York State Common Core 4. Divide, then check using multiplication. Module 2: Date: © 2013 Common Core, Inc. Some rights reserved. commoncore.org Multi-Digit Whole Number and Decimal Fraction Operations 11/19/13 This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License. 2.S.15 NYS COMMON CORE MATHEMATICS CURRICULUM End-of-Module Study Guide Lesson New York State Common Core 5. Sarah says that 123 ÷ 10 equals 63 ÷ 5 because both are “12 R3.” Explain her mistake using decimal division. 6. A rectangular swimming pool has an area of 1,800 square meters. If the length of the pool is 50 m, find the length. Module 2: Date: © 2013 Common Core, Inc. Some rights reserved. commoncore.org Multi-Digit Whole Number and Decimal Fraction Operations 11/19/13 This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License. 2.S.16 NYS COMMON CORE MATHEMATICS CURRICULUM End-of-Module Study Guide Lesson New York State Common Core 7. Holly is buying orange juice for the class party. There are 24 people coming, and she figures each person will drink 1.75 cups. c. How many fluid ounces of juice will she need? Use words, numbers, and pictures to explain your thinking. (1 cup = 8 fl oz) d. If she buys five 59-ounce containers, will she have enough juice? 8. A crane operator unloaded the following cargo: 5 pallets of lumber. Each pallet weighs 7.3 tons. 9 pallets of concrete. Each pallet weighs 4.8 tons. c. How many pounds of cargo were unloaded? d. Which load of cargo was heavier, the lumber or the concrete? How many pounds heavier? Module 2: Date: © 2013 Common Core, Inc. Some rights reserved. commoncore.org Multi-Digit Whole Number and Decimal Fraction Operations 11/19/13 This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License. 2.S.17