AREA AND PERIMETER 3RD GRADE

Front

What is the area of a shape?

Back

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

Front

What is the formula to find the area of a rectangle?

Back

Length x Width.

Front

What is perimeter?

Back

Perimeter is the distance around a shape.

Front

How do you find the perimeter of a rectangle?

Back

Add the lengths of all four sides or use the formula: 2 x (Length + Width).

Front

What units are used to measure area?

Back

Square units, such as square centimeters (sq. cm), square meters (sq. m), or square inches (sq. in).

Front

If a rectangle has a length of 5 cm and a width of 3 cm, what is its area?

Back

15 square centimeters (5 cm x 3 cm = 15 sq. cm).

Front

If a rectangle has a length of 8 m and a width of 2 m, what is its perimeter?

Back

20 meters (2 x (8 m + 2 m) = 20 m).

Front

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

Back

16 square inches (4 in x 4 in = 16 sq. in).

Front

How do you find the area of a triangle?

Back

Area = 1/2 x Base x Height.

Front

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

Back

24 centimeters (4 x 6 cm = 24 cm).