Perimeter of Rectangles

Front

What is the formula to calculate the perimeter of a rectangle?

Back

Perimeter = 2 × (length + width)

Tags

CCSS.3.MD.D.8

Front

If a rectangle has a length of 10 feet and a width of 4 feet, what is its perimeter?

Back

Perimeter = 2 × (10 + 4) = 28 feet

Tags

CCSS.4.MD.A.3

Front

What does 'perimeter' mean?

Back

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

Front

If the perimeter of a rectangle is 40 cm and the length is 12 cm, what is the width?

Back

Width = (Perimeter/2) - Length = (40/2) - 12 = 8 cm

Tags

CCSS.4.MD.A.3

Front

What is the perimeter of a rectangle with a length of 15 inches and a width of 5 inches?

Back

Perimeter = 2 × (15 + 5) = 40 inches

Tags

CCSS.4.MD.A.3

Front

How do you find the perimeter of a rectangle if you know only the length?

Back

You need to know the width as well; perimeter cannot be calculated with just the length.

Tags

CCSS.4.MD.A.3

Front

What is the perimeter of a rectangle with a length of 20 m and a width of 10 m?

Back

Perimeter = 2 × (20 + 10) = 60 m

Tags

CCSS.4.MD.A.3

Front

If a rectangle has a perimeter of 50 feet and a width of 10 feet, what is the length?

Back

Length = (Perimeter/2) - Width = (50/2) - 10 = 15 feet

Tags

CCSS.4.MD.A.3

Front

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

Back

Perimeter = 4 × side = 4 × 6 = 24 cm

Tags

CCSS.4.MD.A.3

Front

If the perimeter of a rectangle is 100 inches and the length is 30 inches, what is the width?

Back

Width = (Perimeter/2) - Length = (100/2) - 30 = 20 inches

Tags

CCSS.4.MD.A.3