Simple Perimeter

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 together.

Front

What is the formula for the perimeter of a rectangle?

Back

Perimeter = 2(length + width)

Front

If a square has a side length of 4 inches, what is its perimeter?

Back

Perimeter = 4 sides × 4 inches = 16 inches.

Front

What is the perimeter of a triangle with sides measuring 3 in, 4 in, and 5 in?

Back

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

Front

If a shape has a perimeter of 20 cm, what could be the lengths of its sides?

Back

Possible sides could be 5 cm, 5 cm, 5 cm, and 5 cm (a square).

Front

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

Back

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

Front

If a rectangle has a length of 6 m and a width of 2 m, what is its perimeter?

Back

Perimeter = 2(6 m + 2 m) = 16 m.

Front

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

Back

Perimeter = 4 sides × 5 cm = 20 cm.

Front

If a shape has a perimeter of 30 in, and two sides are 10 in each, what are the lengths of the other two sides?

Back

The other two sides must total 10 in (e.g., 5 in and 5 in).