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?
Only one side of a two-slice toaster is working, so when two
slices of bread go in side-by-side, each slice is toasted on one
side after 2 minutes, but not on the other.
What is the quickest way to toast both sides of three slices of
What about four slices? Five slices?