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Grade 6 McGraw Hill Glencoe - Answer Keys
Chapter 3: Compute with Multi-Digit Numbers;Lesson 1: Add and Subtract Decimals
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H.O.T. Problems H igher O rder T hinking
Question 11
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Find the Error Luis is finding 8.9 − 3.72. Find his mistake and correct it.
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Question 12
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Reason Abstractly Write two different pairs of decimals whose sums are 14.1. One pair should involve regrouping.
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Question 13
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Reason Inductively Explain how you know that the sum of 12.6, 3.1, and 5.4 is greater than 20.
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Question 14
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Persevere with Problems Josie found that 3.28 + 3.28 + 3.28 = 9.84. What is the missing factor in the related multiplication problem 3.28 × \(\large\Box\) = 9.84? Explain.
Question 15
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Reason Abstractly Without subtracting 8.5 − 4.64, determine what digit will be in the hundredths place. Explain.
Question 16
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Reason Inductively Kiera is buying the items shown at the right for her kitchen. Will $35 be enough to purchase all three items? Explain your reasoning.