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

Consecutive Numbers

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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.

X Is 5 Squares

Age 7 to 11
Challenge Level

Can you arrange five different digits (from 0 to 9) in the cross so that

  1. the total of the four outside numbers is equal to the middle number, and
  2. the top two numbers multiplied together are also equal to the middle number, and
  3. the sum of the three numbers forming a diagonal is equal to the other three numbers forming the other diagonal.

Diagonal cross consisting of 5 squares.