Math Practice 101
Homework Explained - Math Practice 101

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Grade 4 HMH Go Math - Answer Keys
Chapter 5 Review/Test


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  • Question 21 (request help)

    Elina had 10 tiles to arrange in a rectangular design. She drew a model of the rectangles she could make with the ten tiles.

    Part A

    How does Elina’s drawing show that the number 10 is a composite number?
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  • Question 21 (request help)

    Part B

    Suppose Elina used 15 tiles to make the rectangular design. How many different rectangles could she make with the 15 tiles? Write a list or draw a picture to show the number and dimensions of the rectangles she could make.
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  • Question 21 (request help)

    Part C

    Elina’s friend Luke said that he could make more rectangles with 24 tiles than with Elina’s 10 tiles. Do you agree with Luke? Explain.
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