This key facts covers Key Vocabulary within nth Term for GCSE Mathematics. Revise nth Term in Algebra for GCSE Mathematics with 11 exam-style questions and 4 flashcards. This topic appears regularly enough that it should still be part of a steady revision cycle. It is section 2 of 8 in this topic. Use this key facts to connect the idea to the wider topic before moving on to questions and flashcards.
Key Vocabulary
| Term | Meaning | Example |
|---|---|---|
| nth term | A formula for any term in the sequence | 3n - 1 |
| n | The position number (1st, 2nd, 3rd...) | For 5th term, n = 5 |
| Formula | Mathematical rule using n | an + b (where a is the difference) |
| Substitute | Replace n with a number | If n = 3, then 3n - 1 = 8 |
Practice questions for nth Term
The nth term of a sequence is 3n + 2. What is the 5th term?
A student claims that 50 is a term in the sequence with nth term 3n + 1. Show whether this claim is correct.
Quick recall flashcards
What does 'n' represent?
The position number in the sequence (1st term: n=1, 2nd term: n=2, etc.)
What is the nth term?
A formula that allows you to find any term in a sequence by substituting the position number (n)