Use your calculator to work out 12.5+106.25×4.2\displaystyle \frac{12.5 + \sqrt{10}}{6.25 \times 4.2}6.25×4.212.5+10
Write down all the figures on your calculator display.
192 exam-style questions on OCR GCSE Maths Using a Calculator. Each one has a worked solution and a mark scheme showing where the marks go.