Mathematics A-Level
units and dimensions
What units and dimensions means in Mathematics A-Level, as defined for WJEC.
Definition of units and dimensions
Check what you remember
Read the wording for your board, then hide it and explain units and dimensions in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: WJEC
Expressing solutions in appropriate units, such as metres, seconds, or pounds sterling, converting abstract mathematical variables back into the contextual quantities requested.
Topics that use units and dimensions
- Overarching themes - Mathematical problem solving (WJEC A-Level)
Related terms
- accuracy and rounding
- algebraic modelling
- change of sign
- Concave up
- contextual interpretation
- Convergence
- curve sketching
- error analysis
Using units and dimensions 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.
Start free
All Mathematics A-Level termsA week of Premium from your first lesson · Then the free plan continues · No card, no charge