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Pi, a Very Special Number

Read all about the number pi and the mathematicians who have tried to find out its value as accurately as possible.

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Rod Ratios

Use the Cuisenaire rods environment to investigate ratio. Can you find pairs of rods in the ratio 3:2? How about 9:6?

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Ratio Pairs 2

A card pairing game involving knowledge of simple ratio.

Nutty Mixture

Stage: 2 Challenge Level: Challenge Level:2 Challenge Level:2
Might it help if you group the nuts?
Have you tried using counters or cubes to stand for nuts? Or perhaps you could draw a picture?
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.