Perimeter and Area Flashcard for 4th Grade

Front

What is the perimeter of a rectangle?

Back

The perimeter of a rectangle is the total distance around it, calculated as P = 2(L + W), where L is the length and W is the width.

Front

What is the formula to find the area of a rectangle?

Back

The area of a rectangle is found using the formula A = L x W, where L is the length and W is the width.

Front

What is the perimeter of a rectangle that is 6 cm long and 3 cm wide?

Back

18 cm

Front

What is the perimeter of a rectangular pool that is 25 meters long and 10 meters wide?

Back

70 meters

Front

What is the formula to find the area of a square?

Back

A = L x L, where L is the length of one side.

Front

If a rectangular garden has a perimeter of 60 meters and one side is 15 meters, what is the length of the other side?

Back

15 meters

Front

What is the total length of baseboard needed for a room that is 16 feet by 10 feet?

Back

(2 x 16) + (2 x 10) = 52 feet.

Front

What is the area of a rectangle that is 4 cm long and 5 cm wide?

Back

20 cm² (A = 4 x 5).

Front

How do you calculate the perimeter of a square?

Back

P = 4 x L, where L is the length of one side.

Front

What is the area of a square with a side length of 3 meters?

Back

9 m² (A = 3 x 3).