Skip to content
Brainlag

Theme

Colour

Brainlag Learn / GCSE Maths

Algebraic expressions

The language of algebra: writing and substituting into expressions, simplifying, expanding brackets, factorising, and telling expressions, equations, formulae and identities apart.

Lessons

  1. Writing and using algebraWrite expressions from words and shapes, and substitute positive and negative numbers into them. 20 min, with the Scientific Calculator, free
  2. SimplifyingCollect like terms, and multiply and divide algebraic terms. 20 min, free
  3. Expanding bracketsMultiply out a single bracket (with negatives too), expand and simplify sums of brackets, and meet double brackets. 25 min, with the Equation Solver, Plus
  4. Factorising into one bracketTake out the highest common factor so the expression becomes a term times a bracket, and check by expanding. 20 min, with the Equation Solver, Plus
  5. Expressions, equations, formulae and identitiesThe vocabulary of algebra, the identity sign, finding unknowns in an identity, and simplifying algebraic fractions. 20 min, Plus

Practise and test

AQA, Pearson Edexcel and OCR are registered trade marks of their owners. Brainlag Learn is independent: it is not affiliated with or endorsed by any exam board, and every question on it is original.