Math Practice 101
Homework Explained - Math Practice 101

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Grade 3 Go Math Practice - Answer Keys
Chapter 1: Lesson 8: Estimate Differences


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Lesson Check

  • Question 1 (request help)

    Jorge has 708 baseball cards and 394 basketball cards. About how many more baseball cards than basketball cards does Jorge have?
    • about 200
    • about 300
    • about 400
    • about 500
  • Question 2 (request help)

    Danika is making necklaces. She has 512 silver beads and 278 blue beads. About how many more silver than blue beads does Danika have?
    • about 200
    • about 300
    • about 400
    • about 800

Spiral Review

  • Question 3 (request help)

    A store manager ordered 402 baseball caps and 122 ski caps. Which is the best estimate of the total number of caps the manager ordered?
    • 300
    • 500
    • 600
    • 700
  • Question 4 (request help)

    Autumn collected 129 seashells at the beach. What is 129 rounded to the nearest ten?
    • 100
    • 120
    • 130
    • 200
  • Question 6 (request help)

    Julie made $22, $55, $38, and $25 babysitting. How much did she make in all babysitting?
    • $102
    • $115
    • $140
    • $165

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