3rd grade Area - Eureka Math

Front

What is area?

Back

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

Front

How do you find 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 units and a width of 3 units?

Back

15 square units.

Front

What units are used to measure area?

Back

Square units, such as square feet (sq ft), square centimeters (sq cm), or square meters (sq m).

Front

If a rectangle has an area of 20 square feet and a width of 4 feet, what is the length?

Back

5 feet (Area = Length x Width, so Length = Area / Width).

Front

What is the area of a square with a side length of 4 units?

Back

16 square units (Area = Side x Side).

Front

What is the formula for finding the area of a triangle?

Back

Area = 1/2 x Base x Height.

Front

If a triangle has a base of 6 units and a height of 4 units, what is its area?

Back

12 square units.

Front

What does it mean to cover a bulletin board with plastic in terms of area?

Back

You need to find the area of the bulletin board to know how much plastic is needed.

Front

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

Back

16 square centimeters.