Math Practice 101
Homework Explained - Math Practice 101

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Grade 3 Go Math Practice - Answer Keys
Same Perimeter, Different Areas


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Same Perimeter, Different Areas

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

  • Question 1 (request help)

    A: Perimeter =    12    ;
       Area =    9    square units
  • B: Perimeter =    units;
          Area =   square units;
       Rectangle   has a greater area.
  • Question 2 (request help)

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

Problem Solving

  • Question 3 (request help)

    Tara’s and Jody’s bedrooms are shaped like rectangles. Tara’s bedroom is 9 feet long and 8 feet wide. Jody’s bedroom is 7 feet long and 10 feet wide. Whose bedroom has the greater area? Explain.
  •    's bedrooms is greater.
  • Question 4 (request help)

    Mr. Sanchez has 16 feet of fencing to put around a rectangular garden. He wants the garden to have the greatest possible area. How long should the sides of the garden be?
  • Width:   
    		Length:   feet long

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