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  • Early Years Foundation Stage

Let's Investigate Triangles

Age 5 to 7
Challenge Level Yellow star
Primary curriculum
  • Problem
  • Getting Started
  • Student Solutions
  • Teachers' Resources

Have you made triangles with all the sides the same colour?
Have you made triangles with all the sides different colours?
Have you found three sticks you can't make a triangle with?
This sheet will give you four copies of each strip in the colours in the problem, which you could print off and cut out.

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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.

NRICH is part of the family of activities in the Millennium Mathematics Project.

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