Grade 3 Math Sample Question 10

A garden is in the shape of a rectangle. It is 20 feet long and 15 feet wide. What is the perimeter of the garden?

A) 70 feet (Correct Answer)

B) 60 feet

C) 35 feet

D) 50 feet

Explanation:
To find the perimeter of the garden, it is necessary to total all four dimensions. If the length of the garden is 20 feet and the width is 15 feet, then the perimeter would be found by adding 20 + 15 + 20 + 15. This expression would yield a total of 70 feet as the perimeter of the garden.

Related Common Core State Standard: 3.MD.8

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Ray Shawn