This key facts covers Key Representations within Proof for GCSE Mathematics. Revise Proof in Algebra for GCSE Mathematics with 14 exam-style questions and 12 flashcards. This topic shows up very often in GCSE exams, so students should be able to explain it clearly, not just recognise the term. It is section 2 of 3 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 3
Practice
14 questions
Recall
12 flashcards
Key Representations
| Type of Number | Algebraic Form |
|---|---|
| Any integer | n |
| Even number | 2n |
| Odd number | 2n + 1 |
| Consecutive integers | n, n + 1, n + 2 |
| Consecutive even numbers | 2n, 2n + 2, 2n + 4 |
| Consecutive odd numbers | 2n + 1, 2n + 3, 2n + 5 |
| Multiple of 3 | 3n |