GCSE Maths Test | Surds | Edexcel

* any number: n * any even number: 2n * any odd number: 2n+1 * proving it is a multiple of 8: factorise 8 out and show 8( ) * proving it is a square number: factorise it

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Angles on a straight line add up to 180o Angles around a point add up to 360o Angles in a triangle add up to 180o Alternate angles (Z) are equal Corresponding angles (F)