Match fun story problems with the correct addition or subtraction expression.

Learn about and revise how to simplify algebra using skills of expanding brackets and factorising expressions with GCSE Bitesize AQA Maths.

An expression is a set of terms combined using the operations +, , x or ÷, for example 4 x 3 or 5 x 2 3 x y + 17. An equation states that two expressions are equal in value, for example 4 b 2 = 6.