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)
Resources
How to... Make a TetraTREEdron
Christmaths TetraTREEdron Project - Tree of Life Gallery
https://www.mathsontoast.org.uk/gallery/tree-of-hope-gallery/After a tough 2020, we asked people to make TetraTREEdrons to spread messages of hope, reflections of the year, and thoughts for the future. Check out the Tree of Hope gallery to see all the different TetraTreedrons that were created!