Mathematics A-Level
accuracy and rounding
What accuracy and rounding means in Mathematics A-Level, as defined for WJEC.
Definition of accuracy and rounding
Check what you remember
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Reference: WJEC
Rounding solutions to a degree of precision justified by the input data, avoiding inappropriate precision such as giving money to four decimal places.
Topics that use accuracy and rounding
- Overarching themes - Mathematical problem solving (WJEC A-Level)
Related terms
- algebraic modelling
- change of sign
- Concave up
- contextual interpretation
- Convergence
- curve sketching
- error analysis
- Fixed point
Using accuracy and rounding in the exam
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