Vincent and Tara are making triangles with the class construction set. They have a pile of strips of different lengths. How many different triangles can they make?
Stage: 1 Challenge Level:
It will help to have some jigsaw pieces to look at as you work on
What do you notice about jigsaw pieces? Can you
describe some pieces?
How will you make sure your pieces are all different from each
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. More information on many of our other activities
can be found here.