C.0.1—Units in calculations

Recognise and use appropriate units in calculations, including identifying derived units and converting between units with different prefixes.

Use c.0.1—units in calculations to connect the rule to the data and decision in the question.

This matters because c.0.1—units in calculations determines what can be inferred or chosen; begin with the stated conditions and keep the conclusion tied to the evidence.

Example: apply c.0.1—units in calculations to one small, clearly defined case, show the key step or comparison, and explain the result in words.

Boundary: C.0.1—Units in calculations is not a universal recommendation. Check the syllabus scope, assumptions, units and the limits of the evidence before generalising.