Area and Perimeter 3rd Grade

Front

What is area?

Back

Area is the amount of space inside a shape, measured in square units.

Front

What is perimeter?

Back

Perimeter is the distance around a shape, calculated by adding the lengths of all its sides.

Front

How do you calculate the area of a rectangle?

Back

Multiply the length by the width (Area = length × width).

Front

How do you calculate the perimeter of a rectangle?

Back

Add the lengths of all four sides (Perimeter = 2 × (length + width)).

Front

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

Back

Area = 3 inches × 3 inches = 9 square inches.

Front

What is the perimeter of a square with a side length of 4 inches?

Back

Perimeter = 4 inches × 4 = 16 inches.

Front

If a rectangle has a length of 5 feet and a width of 3 feet, what is its area?

Back

Area = 5 feet × 3 feet = 15 square feet.

Front

If a rectangle has a length of 10 feet and a width of 2 feet, what is its perimeter?

Back

Perimeter = 2 × (10 feet + 2 feet) = 24 feet.

Front

What are the possible dimensions of a rectangle with an area of 12 square feet?

Back

Possible dimensions include 3 feet by 4 feet or 2 feet by 6 feet.

Front

What is the area of a rectangle with a length of 7 inches and a width of 2 inches?

Back

Area = 7 inches × 2 inches = 14 square inches.