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Get into the exponential distribution through an exploration of its pdf.
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Can you find the solution to this algebraic inequality?
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It is impossible to trisect an angle using only ruler and compasses but it can be done using a carpenter's square.
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Crosses can be drawn on number grids of various sizes. What do you notice when you add opposite ends?
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Investigate what happens to the equation of different lines when you translate them. Try to predict what will happen. Explain your findings.
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Can you visualise what shape this piece of paper will make when it is folded?
In this article for primary teachers, Ems explores ways to develop mathematical flexibility through geometry.
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If you take four consecutive numbers and add them together, the answer will always be even. What else do you notice?
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Can you prove the angle properties described by some of the circle theorems?
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A train building game for two players. Can you be the one to complete the train?
