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Numbers and Arithmetic (Metric)

Learn, or revise, prime factorisation, laws of indices, surds and inequalities.

Numbers and Arithmetic

Surds, prime factorisation and the three laws of indices. Covered in the main at GCSE.

Simplification of surds such as \(\sqrt{50}\).

Resolving an integer into its prime factors, e.g. \(308 = 2^2\times 7\times 11\).

Using the three laws of indices.


Solving inequalities. An A-level topic.

Solving simple inequalities in one variable.