polydron

39d

Polydron special offer: Use code ATM10 for 10% off your Polydron order (offer ends 30 September 2025)
https://www.polydron.co.uk/shop.html

#coupons #coupon #discounts #polydron #offer #geometry #MathematicsTeaching #atm #MT #MT295 #iTeachMath #MathEd #Math #Education

An advertisement for ‘POLYODRON www.polydron.com
EXCLUSIVE USE CODE ATM10 FOR 10% OFF YOUR ORDER*’
The main image shows ‘Original Polydron Platonic Solid's Set’ on the left (regular dodeahedron, icosahedron, octahedron, tetrahedron and cube with solid faces) and ‘Polydron Frameworks Plotonic Solids Set’ on the right (hollow faces)
Bottom right shows ‘Crystal Polydron Class Set’: a child assembles colourful transparent square and triangular pieces into 3D shapes.
Copy text reads:
‘Polydron has been the leading educational product in the area of geometry and mathematics for more than forty years.
Working with educators to bring understanding to the world of shape and space; encouraging students to touch, feel and create forms, that will inspire them to further explore the world of mathematics, construction and engineering.
*Offer Ends 30 September 2025’
The main colours used are red and white. The polyhedra use colous like red, green, yellow and blue.

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39d

‘Exploring triangles at the Institute of Mathematics Pedagogy (IMP)’
Tandi Clausen-May reflects on an exploration of 3D shapes made from triangles.

https://atm.org.uk/write/MediaUploads/Journals/MT295/03.pdf

One of the two free articles from Mathematics Teaching 295 for non-members.
#geometry #triangle #helix #polydron #MathematicsTeaching #atm #MT #MT295 #iTeachMath #MathEd #Math #Education #mathematics

Photographs of colourful 3D shapes made from Polydron triangles.
Figure 11. Joining tetrahedra.
Figure 12. Quadruple helix.
Figure 13. One-ribbon triple helix.
Figure 14. Two-ribbon triple helix.

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