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 7 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 7
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 |
Keep building this topic
Read this section alongside the surrounding pages in Algebraic Notation. That gives you the full topic sequence instead of a single isolated revision point.
Practice Questions for Algebraic Notation
In the expression 7x, what is the coefficient?
Explain the difference between an equation and an identity. Give one example of each.
Quick Recall Flashcards
13 questions on Algebraic Notation — practise free
Instant marking, adaptive difficulty, and 4 spaced repetition flashcards. Free until your GCSEs.
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