Math Practice 101
Homework Explained - Math Practice 101

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Grade 3 Go Math Practice - Answer Keys
Chapter 1: Lesson 5: Use Properties to Add


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Lesson Check

  • Question 1 (request help)

    At summer camp there are 52 boys, 47 girls, and 18 adults. How many people are at summer camp?
    • 97
    • 107
    • 117
    • 127
  • Question 2 (request help)

    At camp, 32 children are swimming, 25 are fishing, and 28 are canoeing. How many children are swimming, fishing, or canoeing?
    • 75
    • 85
    • 95
    • 105

Spiral Review

  • Question 3 (request help)

    Four students estimated the width of the door to their classroom. Who made the best estimate?
    • Ted: 1 foot
    • Hank: 3 feet
    • Ann: 10 feet
    • Maria: 15 feet
  • Question 4 (request help)

    Four students estimated the height of the door to their classroom. Who made the best estimate?
    • Larry: 1 meter
    • Garth: 2 meters
    • Ida: 14 meters
    • Jill: 20 meters
  • Question 5 (request help)

    Jeff’s dog weighs 76 pounds. What is the dog’s weight rounded to the nearest ten pounds?
    • 70 pounds
    • 80 pounds
    • 90 pounds
    • 100 pounds
  • Question 6 (request help)

    Ms. Kirk drove 164 miles in the morning and 219 miles in the afternoon. Which is the best estimate of the total number of miles she drove that day?
    • 100 miles
    • 200 miles
    • 400 miles
    • 500 miles

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