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?
Nina must cook some pasta for 15 minutes. The only way she has
of measuring time is a 7-minute sand-timer and an 11-minute
How can she use these timers to measure exactly 15