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An introduction to magic squares
Find out about Magic Squares in this article written for students. Why are they magic?!
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An introduction to tree diagrams
This article explains how tree diagrams are constructed and helps you to understand how they can be used to calculate probabilities.
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Divisibility tests
This article explains various divisibility rules and why they work. An article to read with pencil and paper handy.
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An introduction to modular arithmetic
An introduction to the notation and uses of modular arithmetic
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An introduction to proof by contradiction
An introduction to proof by contradiction, a powerful method of mathematical proof.