1. Perimeter

2. To find the perimeter we need to add all the measurements from around the outside.
8cm
8cm
8cm
8cm
8cm + 8cm + 8cm + 8cm = 32cm

3. Do we have to measure every side to work out the perimeter?
5cm
2cm
2cm
5cm
4cm
4cm

4. Write down the perimeter for each shape
Write down the perimeter for each shape. Which shapes have the same perimeter? c a b e d

5. Write down the perimeter for each shape
Write down the perimeter for each shape. Which shapes have the same perimeter? c a b
Perimeter =
12cm
Perimeter =
8cm e
Perimeter =
12cm
Perimeter =
22cm d
Perimeter =
14cm