Perimeter

Front

What is the perimeter?

Back

The 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).

Front

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

Back

Perimeter = 4cm + 4cm + 4cm + 4cm = 16cm.

Front

If a shape has a perimeter of 30cm, what could be the lengths of its sides?

Back

Possible lengths could be 10cm, 10cm, 5cm, and 5cm.

Front

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

Back

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

Front

What is the perimeter of a shape with sides measuring 6cm, 8cm, and 10cm?

Back

Perimeter = 6cm + 8cm + 10cm = 24cm.

Front

If a square has a perimeter of 40cm, what is the length of one side?

Back

Length of one side = 40cm ÷ 4 = 10cm.

Front

What is the perimeter of a rectangle with a length of 5cm and a width of 3cm?

Back

Perimeter = 2(5cm + 3cm) = 16cm.

Front

What is the perimeter of a shape with sides measuring 2m, 3m, and 4m?

Back

Perimeter = 2m + 3m + 4m = 9m.

Front

If a shape has a perimeter of 50cm, what could be the lengths of its sides?

Back

Possible lengths could be 15cm, 15cm, 10cm, and 10cm.