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Tri.'s

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?

Bracelets

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

Tri-five

Age 7 to 11 Challenge Level:

 

Find all the DIFFERENT shapes that can be made by joining five equilateral triangles edge to edge.

Here's an example:

 

1 or 2?