Math Practice 101
Homework Explained - Math Practice 101

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Grade 3 Go Math Practice - Answer Keys
Chapter 1: Review/Test


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  • Question 19 (request help)

    Alia used 67 + 38 = 105 to check her subtraction. Which math problem could she be checking? Mark all that apply.
    • \(67 - 38 = \blacksquare\)
    • \(105 - 67 = \blacksquare\)
    • \(105 + 38 = \blacksquare\)
    • \(105 - 38 = \blacksquare\)
  • Question 20 (request help)

    Alex and Erika collect shells. The tables show the kinds of shells they collected.

    Part A

    Who collected more shells? How many did she collect? About how many more is that? Explain how you solved the problem.
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  • Question 20 (request help)

    Part B

    Alex and Erika have the greatest number of what kind of shell? How many shells of that kind do they have? Show your work.
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