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 x Width).

Front

What is the area of a rectangle with a length of 5 cm and a width of 3 cm?

Back

15 square cm.

Front

If a rectangle has an area of 28 square cm and a width of 4 cm, what is the length?

Back

7 cm (Length = Area ÷ Width).

Front

What is the formula for calculating the perimeter of a rectangle?

Back

Perimeter = 2 x (Length + Width).

Front

If a rectangle has a length of 10 cm and a width of 5 cm, what is its perimeter?

Back

30 cm.

Front

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

Back

16 inches (Perimeter = 4 x Side Length).

Front

If a shape has a perimeter of 22 inches and two sides are 5 inches each, what is the total length of the other two sides?

Back

12 inches (22 - 10 = 12).

Front

What is the area of a square with a side length of 6 cm?

Back

36 square cm (Area = Side x Side).