Math Practice 101
Homework Explained - Math Practice 101

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Grade 3 Go Math Practice - Answer Keys
Chapter 1: Lesson 3: Estimate Sums


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Estimate Sums

Use rounding or compatible numbers to estimate the sum.

  • Question 1 (request help)

        198               200
    + 727            + 725 
                            925

Problem Solving

  • Question 12 (request help)

    Stephanie read 72 pages on Sunday and 83 pages on Monday. About how many pages did Stephanie read during the two days?
  • About    pages
  • Question 13 (request help)

    Matt biked 345 miles last month. This month he has biked 107 miles. Altogether, about how many miles has Matt biked last month and this month?
  • About   miles

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