Perimeter

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: P = 2(length + width).

Tags

CCSS.4.MD.A.3

Front

What is the perimeter of a square with each side measuring 5 cm?

Back

20 cm (P = 4 x side length).

Tags

CCSS.4.MD.A.3

Front

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

Back

12 cm (3 + 4 + 5).

Tags

CCSS.3.MD.D.8

Front

What is the perimeter of a rectangle that is 10 m long and 4 m wide?

Back

28 m (P = 2(10 + 4)).

Tags

CCSS.4.MD.A.3

Front

If a shape has a perimeter of 30 cm and one side is 10 cm, what is the total length of the other sides?

Back

20 cm (30 - 10).

Tags

CCSS.3.MD.D.8

Front

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

Back

10 cm (2 + 3 + 5).

Tags

CCSS.3.MD.D.8

Front

Farmer Bob wants to build a fence around a rectangular area that is 40 feet long and 20 feet wide. What is the perimeter?

Back

120 feet (P = 2(40 + 20)).

Tags

CCSS.3.MD.D.8

Front

What is the perimeter of a circle called?

Back

Circumference.

Front

How do you find the perimeter of an irregular shape?

Back

Add the lengths of all the sides together.

Tags

CCSS.3.MD.D.8