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# Colouring Triangles

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### Let's Investigate Triangles

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Age 5 to 7

Challenge Level

- Problem
- Getting Started
- Student Solutions
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Kesavan from Latymer All Saints C of E Primary sent the following designs, which all have a vertical line of symmetry:

Rayyan from Doha College in Qatar sent in the following:

Shawn from Lanesborough School in Surrey sent in a picture.

Well done for producing these triangles with symmetry, perhaps there are more that others could find.

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?