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Polydron

This activity investigates how you might make squares and pentominoes from Polydron.

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Multilink Cubes

If you had 36 cubes, what different cuboids could you make?

Count the Trapeziums

Stage: 2 Challenge Level: Challenge Level:3 Challenge Level:3 Challenge Level:3


How many trapeziums, of various sizes, are hidden in this picture?

(By the way, some of us here at NRICH think they should be called trapezia . What do you think?)