Simplifying Expressions


in algebra, letters are used to stand for numbers.
the letters are often called  variables.
it is necessary to be able to add, subtract, multipy and divide algebraic terms.

Key Skills

  • recognise like and unlike terms
  • add and subtract like terms
  • multiply and divide terms
  • change words into symbols and expressions


simplifyvariablecoefficientexponentlike terms, unlike terms.