
Detailed teachers' notes for this activity are available on our NRICH website.
Further information
If you're finding hard to get started, try looking at this hint. Detailed teachers' notes for this activity are available on our NRICH website.Detailed teachers' notes for this activity are available on our NRICH website.
Further information
If you're finding hard to get started, try looking at this hint. Detailed teachers' notes for this activity are available on our NRICH website.