nth term expression
What nth term expression means in Mathematics GCSE, as defined for Pearson Edexcel.
Definitions of nth term expression
Exam boards and our study guides word this term in slightly different ways. Learn the version your board uses.
Check what you remember
Read the wording for your board, then hide it and explain nth term expression in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: Pearson Edexcel
The complete rule in n, such as 3n + 2, found by starting with the difference times n and then finding the constant.
The complete expression in n, with the squared part and the linear part combined, such as 2n² − n + 3.
An expression in n that gives the value of the term at position n.
Topics that use nth term expression
- Algebra - Sequences (Pearson Edexcel GCSE)
Related terms
- checking a term
- coefficient of n²
- Common ratio
- constant
- Fibonacci-type sequence
- First difference
- geometric progressions
- position-to-term rule
Using nth term expression in the exam
Check the command word and mark scheme for your exact question. After comparing your explanation with the reference, use the term in an answer on the linked topic. This practice does not predict an exam mark.
Practise Mathematics questions
Create a free account to answer exam-style questions on this topic and get feedback on your answers.
A week of Premium from your first lesson · Then the free plan continues · No card, no charge