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How many triangles can you make on the 3 by 3 pegboard?

Cutting Corners

Can you make the most extraordinary, the most amazing, the most unusual patterns/designs from these triangles which are made in a special way?


Investigate the different shaped bracelets you could make from 18 different spherical beads. How do they compare if you use 24 beads?

Triangle Relations

Age 7 to 11
Challenge Level
It might be worth printing off the problem so you can cut out the two triangles.
You might want to measure, or fold, or cut, or draw round, or ... (or maybe all of these!).