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For younger learners

  • Early Years Foundation Stage

Triangle Shapes

Age 5 to 11
Challenge Level Yellow star
  • Problem
  • Getting Started
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2StartTris
Here are two triangles. We're going to see what shapes we can get by using many of them.
You will need to print off this sheet of triangles to cut out and use.
 
You might try putting them together like this:
TessYell
Try making that or something similar.
Sometimes you can make "jewel-like" shapes:
JewelSmall
 
See what "jewels" you can make.
 
You might make the triangles from different materials, or use an overhead projector transparency so that they are a bit transparent, then you can overlap them:
Overlap2
When you do that, you might try to see what shapes you've made at the overlap.
 
Maybe you could experiment further with this idea and create pictures like these:
Overlap2
 


Please do send in pictures of the shapes you make, whether they include overlaps or not.
Tell us what you notice about the shapes you've made.
 

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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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