We used the double-sided counters to explore the game of Nim-7. We enjoyed working out if there was a way of always winning, whether you were Player 1 or Player 2.
Once we'd explored that, we started asking ourselves other questions: "What would happen if we had an even number of counters?" "What if you could take more counters at a time?" "What if you used the same rules, but played with more people?"
Each group picked a question to investigate further, and started to think about how to record what they had found out. Year 6 worked well in partnership with each other and really thought deeply about the maths behind the investigation.
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