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Colouring Triangles

Age 5 to 7
Challenge Level Yellow starYellow star
Primary curriculum
  • Problem
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You might find it useful to print off this sheet of lots of the triangles.
How do you know your design has a line of symmetry?
Have you tried using more/fewer colours?

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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?

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Noah saw 12 legs walk by into the Ark. How many creatures did he see?

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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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