Area and Perimeter 3rd grade

Front

What is Area?

Back

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

Front

How do you calculate the area of a rectangle?

Back

Area = Length × Width.

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Front

If a rectangle has a length of 12 units and a width of 8 units, what is its area?

Back

96 square units.

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Front

What is Perimeter?

Back

Perimeter is the distance around a shape. It is measured in linear units.

Front

How do you calculate the perimeter of a rectangle?

Back

Perimeter = 2 × (Length + Width).

Tags

CCSS.4.MD.A.3

Front

If a rectangle has a length of 5 units and a width of 6 units, what is its perimeter?

Back

22 units.

Tags

CCSS.4.MD.A.3

Front

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

Back

Area = 4 × 4 = 16 square units.

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Front

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

Back

Area = Side × Side.

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Front

If a room is 8 units long and 9 units wide, how much paint is needed for the area?

Back

72 square units.

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Front

What is the area of a room that is 11 units long and 11 units wide?

Back

121 square units.

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3