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Construct-o-straws

Make a cube out of straws and have a go at this practical challenge.

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Matchsticks

Reasoning about the number of matches needed to build squares that share their sides.

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Tangram Paradox

How can the same pieces of the tangram make this bowl before and after it was chipped? Use the interactivity to try and work out what is going on!

Part the Polygons

Stage: 2 Short Challenge Level: Challenge Level:1

Using three straight lines divide this rectangle into four parts.
Each part must contain a triangle, a rectangle, a pentagon, a hexagon, a cylinder and an oval.


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. More information on many of our other activities can be found here.
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NRICH is part of the family of activities in the Millennium Mathematics Project.