3rd Grade Area

Front

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

Back

Area = length × width.

Front

If a rectangle has a length of 4 units and a width of 3 units, what is its area?

Back

12 square units.

Front

What units are used to measure area?

Back

Square units (e.g., square meters, square centimeters, square inches).

Front

How do you convert area from square meters to square centimeters?

Back

Multiply by 10,000 (1 square meter = 10,000 square centimeters).

Front

What is the area of a rectangle with a length of 5 units and a width of 10 units?

Back

50 square units.

Front

If a rectangle has an area of 15 square cm, what could be its possible dimensions?

Back

Possible dimensions could be 3 cm × 5 cm or 1.5 cm × 10 cm.

Front

What is the area of a rectangle with a length of 8 units and a width of 2 units?

Back

16 square units.

Front

What is the area of a rectangle with a length of 6 units and a width of 2 units?

Back

12 square units.

Front

If the area of a rectangle is 20 square units and the length is 5 units, what is the width?

Back

Width = Area ÷ Length = 20 ÷ 5 = 4 units.

Front

What is the area of a rectangle with a length of 7 units and a width of 3 units?

Back

21 square units.