A tree, with a mathematical twist! Discover how to build a tetrahedron from a net, then join 4 (or more!) tetrahedrons to make a Sierpinski tetrahedron. We call these TetraTREEdrons!
Materials you will need
- Tetrahedron Template (available to download above)
- Plain paper, pencil and ruler
- Scissors
- Glue
- Colouring pens, pencils or crayons
- Sellotape
- Further crafty decoration items (optional)
Win a pack of Number Rumbler!
Take part in our 2021 Festive TetraTREEdron project and see your creation in our online gallery! Take a picture of your finished Sierpinski tree and upload it to social media by 31st December 2021 and you might win a pack of our brain-fizzing family maths card game Number Rumbler! Don’t forget to tag us @mathsontoast to be in with a chance of winning – there are 50 packs up for grabs!