What does it mean to evaluate an expression?
Expand all brackets without substituting any numbers.
Find its simplest form by collecting like terms.
Find its numerical value by substituting given numbers.
Find each unknown value by solving the expression.
Flashcards for CIE IGCSE Maths Substitution, covering the key terms, formulae and methods you need to recall for Paper 1 and Paper 3 (Core) or Paper 2 and Paper 4 (Extended). 23 cards, matched to the CIE IGCSE Maths (0580) specification.