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Perimeter

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Perimeter is the distance around a shape.

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We can work out the perimeter of this envelope by adding up the distances around the outside.

10+20+10+20 = ?

10 + 10 + 20 + 20 = 20 + 40 = 60

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20cm

20cm

10cm

10cm

3 of 6

What is the perimeter of this shape?

Show your working:

5cm

8 cm

10 cm

6cm

4 of 6

What is the perimeter of this shape?

Show your working:

23 m

57 m

42 m

31 m

45 m

5 of 6

What is the perimeter of this shape?

Show your working:

235 m

263 m

312 m

51 m

47 m

36 m

37 m

42 m

6 of 6

What is the perimeter of this shape?

Show your working:

4.3 km

5.1 km

7.3 km

3.1 km

6.2 km

7.3 km

8.2 km

3.7 km

7.5 km

6.1 km