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:
You might like to use this interactivity to try out your
ideas. Click the red triangle to make a new triangle appear. You
can move the triangles around by dragging with your mouse. If you
hover your mouse over a corner, you will see a white circle where
you can click to rotate the triangle.