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It might help to have some coloured counters to move around, or you could use some squared paper and three coloured pencils/pens.
Have you checked to see if your arrangements obey the rule?
How do you know your arrangement is different from the others you've made?
Three Way Mix Up
Age 5 to 11
Challenge Level 
It might help to have some coloured counters to move around, or you could use some squared paper and three coloured pencils/pens.
Have you checked to see if your arrangements obey the rule?
How do you know your arrangement is different from the others you've made?
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Geoboards
This practical challenge invites you to investigate the different squares you can make on a square geoboard or pegboard.
