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 5 (request help)

    Write each number sentence in the box below the better estimate of the sum.

    \(393 + 225 =\blacksquare\)         \(481 + 215 =\blacksquare\)
         
    \(352 + 328 =\blacksquare\)   \(309 + 335 =\blacksquare\)

  • Type below:
  • Question 6 (request help)

    Diana sold 336 muffins at the bake sale. Bob sold 287 muffins. Bob estimates that he sold 50 fewer muffins than Diana. How did he estimate? Explain.
  • Type below:
  • Question 7 (request help)

    The table shows how many books each class read.

    For numbers 7a–7d, select True or False for each statement.

    a. Ms. Martin’s class read about 100 more books than Mr. Lopez’s class.
    • True
    • False
  • Question 7 (request help)

    b. The 3 classes read over 900 books altogether.
    • True
    • False
  • Question 7 (request help)

    c. Mrs. Wang’s class read about 50 fewer books than Mr. Lopez’s class.
    • True
    • False
  • Question 7 (request help)

    d. Ms. Martin’s and Mrs. Wang’s class read about 700 books.
    • True
    • False

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