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2 out of 3
By proving these particular identities, prove the existence of general cases.
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Why MUST these statistical statements probably be at least a little bit wrong?
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Two cannons are fired at one another and the cannonballs collide... what can you deduce?
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Given the mean and standard deviation of a set of marks, what is the greatest number of candidates who could have scored 100%?
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If you plot these graphs they may look the same, but are they?
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Can you make a regular hexagon from yellow triangles the same size as a regular hexagon made from green triangles ?
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3 out of 3
Here is a Sudoku with a difference! Use information about lowest common multiples to help you solve it.
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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.
