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These two group activities use mathematical reasoning - one is numerical, one geometric.

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Exploring Wild & Wonderful Number Patterns

EWWNP means Exploring Wild and Wonderful Number Patterns Created by Yourself! Investigate what happens if we create number patterns using some simple rules.

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Place this "worm" on the 100 square and find the total of the four squares it covers. Keeping its head in the same place, what other totals can you make?

Clever Keys

Stage: 2 Short Challenge Level: Challenge Level:1

On a calculator, make $15$ by using only the $2$ key and any of the operations keys ($+$, $-$, $\times$, $\div$).

How many ways can you find to do it?