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Midpoint Triangle

Age 7 to 11
Challenge Level Yellow star
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Joshua (Brooklands Primary School, Suffolk) says:


I found this one the hardest. I came back to it the next day and could then see it differently.

He drew a picture of the solution. So did Gemma (Sholing Junior School, Southampton).



Solution.


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Construct-o-straws

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

Matchsticks

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

Little Boxes

How many different cuboids can you make when you use four CDs or DVDs? How about using five, then six?

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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.

NRICH is part of the family of activities in the Millennium Mathematics Project.

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