Investigate the different shaped bracelets you could make from 18 different spherical beads. How do they compare if you use 24 beads?
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.
The NRICH Project aims to enrich the mathematical experiences of all learners. To support this aim, members of the
NRICH team work in a wide range of capacities, including providing professional development for teachers wishing to
embed rich mathematical tasks into everyday classroom practice.