Area 3rd Grade

Front

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

Back

Area = length × width.

Front

If a rectangle has a length of 5 units and a width of 4 units, what is its area?

Back

20 square units.

Front

What units are used to measure area?

Back

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

Front

How do you convert square centimeters to square meters?

Back

Divide the number of square centimeters by 10,000.

Front

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

Back

12 square centimeters.

Front

If the area of a rectangle is 27 square units and the width is 3 units, what is the length?

Back

9 units (Area = length × width, so length = Area / width).

Front

What is the area of a rectangle with a length of 8 units and a width of 3 units?

Back

24 square units.

Front

If a rectangle has an area of 24 square centimeters, what could be its possible dimensions?

Back

Possible dimensions include 6 cm × 4 cm, 8 cm × 3 cm, etc.

Front

What is the relationship between the area and perimeter of a rectangle?

Back

Area measures the space inside the rectangle, while perimeter measures the distance around it.

Front

How can you find the area of a rectangle if you only know the perimeter?

Back

You need at least one dimension (length or width) to calculate the area.