If you were in my maths set in Year 3, you'll know who this is.
Yes! Perrie Perimeter! Can you remember her walking around the edge of shapes?
Perimeter is the distance all around the edge of a 2D shape.
To calculate perimeter, we add the lengths of all the sides.
Watch this video: https://www.bbc.co.uk/bitesize/topics/zvmxsbk/articles/zsr4k7h
Work through the powerpoint below:
Complete one of the Gold, Silver, Bronze worksheets.