Perimeter and Area Review

Front

What is Perimeter?

Back

Perimeter is the total distance around the outside of a shape.

Front

How do you calculate the perimeter of a rectangle?

Back

Add the lengths of all four sides or use the formula: Perimeter = 2(length + width).

Tags

CCSS.4.MD.A.3

Front

What is Area?

Back

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

Front

How do you calculate the area of a rectangle?

Back

Multiply the length by the width: Area = length × width.

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Front

What is the perimeter of a square with each side measuring 4 cm?

Back

Perimeter = 4 sides × 4 cm = 16 cm.

Tags

CCSS.4.MD.A.3

Front

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

Back

Area = length × width = 5 cm × 3 cm = 15 square cm.

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Front

What is the formula for the perimeter of a triangle?

Back

Perimeter = side1 + side2 + side3.

Tags

CCSS.3.MD.D.8

Front

If a triangle has sides measuring 3 cm, 4 cm, and 5 cm, what is its perimeter?

Back

Perimeter = 3 cm + 4 cm + 5 cm = 12 cm.

Tags

CCSS.3.MD.D.8

Front

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

Back

Area = length × width = 6 cm × 2 cm = 12 square cm.

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Front

What is the perimeter of a shape with sides measuring 2 cm, 3 cm, and 5 cm?

Back

Perimeter = 2 cm + 3 cm + 5 cm = 10 cm.

Tags

CCSS.3.MD.D.8