Or search by topic
There are 2 NRICH Mathematical resources connected to NC-ComparingandClassifying-R1-Y5, you may find related items under NC.
Broad Topics > NC > NC-ComparingandClassifying-R1-Y5The ancient Egyptians were said to make right-angled triangles using a rope with twelve equal sections divided by knots. What other triangles could you make if you had a rope like this?
Investigate the different shaped bracelets you could make from 18 different spherical beads. How do they compare if you use 24 beads?