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A1N4 use and interpret algebraic manipulation, including:
- ab in place of a × b
- 3y in place of y+y+y and 3×y
- a2 in place of a×a, a3 in place of a×a×a, a2b in place of a×a×b
- a/b in place of a÷b
- coefficients written as fractions rather than as decimals
- brackets
A4 simplify and manipulate algebraic expressions (including those involving surds and algebraic fractions) by:
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the concepts and vocabulary of prime numbers, factors (divisors), multiples, common factors, common multiples, highest common factor, lowest common multiple, prime factorisation, including using product notation and the unique factorisation theorem.