Calculating Area - 3rd Grade

Front

What is area?

Back

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

Front

How do you calculate the area of a rectangle?

Back

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

Front

If a rectangle is 5 cm long and 3 cm wide, what is its area?

Back

15 cm² (5 cm × 3 cm = 15 cm²).

Front

What units are used to measure area?

Back

Area is measured in square units, such as square centimeters (cm²) or square feet (ft²).

Front

What is the area of a square with sides of 4 cm?

Back

16 cm² (Area = Side × Side = 4 cm × 4 cm).

Front

If a garden is 7 feet long and 4 feet wide, what is the area?

Back

28 square feet (7 ft × 4 ft = 28 ft²).

Front

What is the area of a rectangle that is 8 inches long and 6 inches wide?

Back

48 square inches (8 in × 6 in = 48 in²).

Front

What is the area of a shape with a length of 10 m and a width of 2 m?

Back

20 square meters (10 m × 2 m = 20 m²).

Front

If the area of a rectangle is 24 cm² and the width is 4 cm, what is the length?

Back

6 cm (Area = Length × Width, so Length = Area ÷ Width = 24 cm² ÷ 4 cm = 6 cm).

Front

What is the area of a rectangle with a length of 12 feet and a width of 3 feet?

Back

36 square feet (12 ft × 3 ft = 36 ft²).