Math Practice 101
Homework Explained - Math Practice 101

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Grade 3 Go Math Practice - Answer Keys
Problem Solving • Area of Rectangles


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Lesson Check

  • Question 1 (request help)

    Lauren drew the designs below. Each unit square is 1 square centimeter. If the pattern continues, what will be the area of the fourth shape?
    • 10 square centimeters
    • 12 square centimeters
    • 14 square centimeters
    • 16 square centimeters
  • Question 2 (request help)

    Henry built one garden that is 3 feet wide and 3 feet long. He also built a garden that is 3 feet wide and 6 feet long, and a garden that is 3 feet wide and 9 feet long. How do the areas change?
    • The areas do not change.
    • The areas double.
    • The areas increase by 3 square feet.
    • The areas increase by 9 square feet.

Spiral Review

  • Question 3 (request help)

    Joe, Jim, and Jack share 27 football cards equally. How many cards does each boy get?
    • 7
    • 8
    • 9
    • 10
  • Question 4 (request help)

    Nita uses \(\frac{1}{3}\) of a carton of 12 eggs. How many eggs does she use?
    • 3
    • 4
    • 6
    • 9
  • Question 5 (request help)

    Brenda made 8 necklaces. Each necklace has 10 large beads. How many large beads did Brenda use to make the necklaces?
    • 80
    • 85
    • 90
    • 100
  • Question 6 (request help)

    Neal is tiling his kitchen floor. Each square tile is 1 square foot. Neal uses 6 rows of tiles with 9 tiles in each row. What is the area of the floor?
    • 15 square feet
    • 52 square feet
    • 54 square feet
    • 57 square feet

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