Math Practice 101
Homework Explained - Math Practice 101

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Grade 3 Go Math Practice - Answer Keys
Same Area, Different Perimeters


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Same Area, Different Perimeters

Find the perimeter and the area. Tell which rectangle has a greater perimeter.

  • Question 1 (request help)

    A: Area =   8 square units   ;

        Perimeter  =   18 units   ;
  • B: Area =    square units;   
       Perimeter=   units;    
       Rectangle   has a greater perimeter.
  • Question 2 (request help)

  • A: Area =    square units;   
       Perimeter =   units;   
  • Question 2 (request help)

  • B: Area =    square units;   
       Perimeter =    units;   
       Rectangle =   has a greater perimeter.
  • Question 3 (request help)

  • A: Area =    square units;   
       Perimeter =   units;   
  • Question 3 (request help)

  • B: Area =    square units;   
       Perimeter =    units;    
       Rectangle    has a greater perimeter.

Problem Solving

Use the tile designs for 4–5.

  • Question 4 (request help)

    Compare the areas of Design A and Design B.
  • The area of Design A   The area of Design B
  • Question 5 (request help)

    Compare the perimeters. Which design has the greater perimeter?
  • The perimeter of A   The perimeter of B

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