Significant Figure
What Significant Figure means in Mathematics GCSE, as defined for AQA, Eduqas, Pearson Edexcel.
Definitions of Significant Figure
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 Significant Figure in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: Pearson Edexcel
A digit counted towards a number’s stated accuracy, beginning with the first non-zero digit; later zeros can be significant.
The digits in a number that carry meaning contributing to its precision, starting from the first non-zero digit.
The digits in a number that contribute to its precision, starting from the first non-zero digit.
The first non-zero digit in a number, reading from left to right, and subsequent digits.
Topics that use Significant Figure
- Structure and calculation (AQA GCSE)
- Number (Eduqas GCSE)
- Number - Measures and accuracy (Pearson Edexcel GCSE)
- Number - Structure and calculation (Pearson Edexcel GCSE)
Related terms
- Integer
- Irrational number
- Prime Number
- Rational Number
- denominator
- equivalent fractions
- Error interval
- Exact value
Using Significant Figure 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