CAIE IGCSE Mathematics Core C2.5.4 Change the Subject of Simple Formulas Questions

Use authentic IGCSE Mathematics questions and mark schemes to practise rearranging equations and changing the subject of simple formulae.

Exam points

[Maximum number: 2]

Rearrange the formula to make t the subject.

w=7 t-5

$\frac{w+5}{7}$
oe final answer

M1 for a correct first step: w+5=7t oe or $\frac{w}{7}=t-\frac57$ oe.

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