Math Practice 101
Homework Explained - Math Practice 101

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Grade 3 Go Math Practice - Answer Keys
Understand Area


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Understand Area

Count to find the area for the shape.

Write area or perimeter for each situation.

Problem Solving

Use the diagram for 9–10.

  • Question 9 (request help)

    Roberto is building a platform for his model railroad. What is the area of the platform?
  • Area =    square units
  • Question 10 (request help)

    Roberto will put a border around the edges of the platform. How much border will he need?
  • Border =    units

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