This challenging activity is aimed at older primary pupils at Key Stage 2. Click on any of the pictures below to see a larger version.
Detailed teachers' notes for this activity, including Powerpoint slides of the images, are available on our NRICH website.
Further information
If you're finding hard to get started, try looking at this hint.
You can practice estimating angles with this interactive game on the NRICH website.
Detailed teachers' notes for this activity, including Powerpoint slides of the images, are available on our NRICH website.
