A tetrahedron and an octahedron, both have equilateral triangular faces.

Can you arrange these 8 polyhedra in a line so that every two polys next to each other have a face of the same shape. The matching faces do not need to be the same size.

Click here to download the CHAIN OF POLYHEDRA worksheet.

Click here for the Notes for Teachers.

This problem is adapted from the NRICH task Chain of Polyhedra with permission of the University of Cambridge. All rights reserved. Explore NRICH for many other rich mathematical activities.



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