This key facts covers Key Vocabulary within Algebraic Notation for GCSE Mathematics. Revise Algebraic Notation in Algebra for GCSE Mathematics with 13 exam-style questions and 4 flashcards. This topic appears less often, but it can still be a useful differentiator on mixed-topic papers. It is section 2 of 6 in this topic. Use this key facts to connect the idea to the wider topic before moving on to questions and flashcards.
Topic position
Section 2 of 6
Practice
13 questions
Recall
4 flashcards
Key Vocabulary
| Term | Meaning | Example |
|---|---|---|
| Variable | A letter representing an unknown number | x, y, n, a |
| Coefficient | The number in front of a variable | In 5x, the coefficient is 5 |
| Term | A single number, variable, or both multiplied | 3x², −7, 2xy |
| Expression | Terms combined with + or − (no equals sign) | 3x + 5, x² − 2x + 1 |
| Equation | Two expressions connected with = sign | 3x + 5 = 20 |
| Formula | An equation showing how things relate | A = πr² (area formula) |
| Identity | True for ALL values (uses ≡ symbol) | 2(x + 3) ≡ 2x + 6 |