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Mindset and problem solving poster

Problem-solving poster: work backwards

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A4 portrait. It is drawn in vector form, so it also prints sharply scaled up to A3.

The poster

Maths classroom poster: "Work backwards". Start from what you want and ask what would give it. Illustrated with inverse operations undo each other.
Problem-solving poster: work backwards. IB Math Revision, free for classroom use.

The maths

Inverse operations undo each other: subtraction undoes addition, division undoes multiplication.

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