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Mindset and problem solving poster

Problem-solving poster: try a simpler case

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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: "Try a simpler case". Solve a smaller version first, then build up. Illustrated with the sierpinski triangle is made by one simple rule repeated.
Problem-solving poster: try a simpler case. CBSE Math Revision, free for classroom use.

The maths

The Sierpinski triangle is made by one simple rule repeated: join the midpoints of a triangle's sides and remove the middle triangle.

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