Expressions, equations, formulae and identities
The vocabulary of algebra, the identity sign, finding unknowns in an identity, and simplifying algebraic fractions.
You will be able to
- Tell an expression, equation, formula and identity apart
- Use ≡ and show an identity is true
- Find unknown numbers in an identity
- Simplify algebraic fractions by cancelling (Higher)
20 minutes, 7 exam-style questions.