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Powers and roots

Power Countdown
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Power Countdown

Age
14 to 16
Challenge level
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In this twist on the well-known Countdown numbers game, use your knowledge of Powers and Roots to make a target.
Generating Triples
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Generating Triples

Age
14 to 16
Challenge level
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Sets of integers like 3, 4, 5 are called Pythagorean Triples, because they could be the lengths of the sides of a right-angled triangle. Can you find any more?