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Problems, Questions, and Puzzles to spark discussion and argument in the maths classroom.

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A 2 by 3 rectangle contains 8 squares. Can you see how?



A 3 by 4 rectangle contains 20 squares. Can you see how?



A 4 by 6 rectangle contains 50 squares. Can you see how?



What size rectangle contains exactly 100 squares?

Is there more than one?
Can you find them all?
Can you prove that there are no more?



Age 11 to 14


.: [MS Math], [NRICH], [Find the Pattern].
that's it.