### Geoboards

This practical challenge invites you to investigate the different squares you can make on a square geoboard or pegboard.

### Polydron

This activity investigates how you might make squares and pentominoes from Polydron.

If you had 36 cubes, what different cuboids could you make?

# Make Pairs

##### Stage: 2 Challenge Level:

Put $10$ counters in a row.

Find a way to arrange the counters into five pairs, one on top of another, evenly spaced in a row so that they look like this:

A counter can only be moved by picking it up, jumping over two counters and landing on another counter.

Can you do it in just five moves?