Perimeter Year 4

What is the meaning of perimeter?

• The space inside a shape

• A straight line that divides a shape

• The total length around a shape

• The height of a shape

Find the perimeter of a rectangle with a length of 6 cm and a width of 4 cm.

• 20 cm

• 24 cm

• 26 cm

• 16 cm

A triangle has sides of 5 cm, 7 cm, and 6 cm. What is the perimeter of the triangle?

• 18 cm

• 16 cm

• 20 cm

• 17 cm

The perimeter of a square with each side measuring 9 cm is (a)   cm.

Which of the following are steps to calculate the perimeter?

• Add all the side lengths

• Multiply only the length and width

• Measure each side first

• Divide the total by 2

A fence is shaped like a rectangle with a length of 10 m and a width of 6 m. What is the total length of fence needed?

• 32 cm

• 30 cm

• 28 cm

• 26 cm

Ali wants to put a rope around a square-shaped garden with each side measuring 8 m. How many meters of rope does he need?

• 32 cm

• 24 cm

• 36 cm

• 30 cm

If the perimeter of a shape is 40 cm and each side is 10 cm, the shape is a (a)   .

Mother wants to sew lace around a rectangular tablecloth with a length of 12 cm and a width of 8 cm. How long should the lace be?

• 42 cm

• 40 cm

• 36 cm

• 38 cm

The perimeter of a triangle with three sides of 3 cm each is 9 cm.

• True
• False