This practical challenge invites you to investigate the different
squares you can make on a square geoboard or pegboard.
This activity investigates how you might make squares and pentominoes from Polydron.
If you had 36 cubes, what different cuboids could you make?
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?