The temperature in London at midnight was −3∘C-3^{\circ}\text{C}−3∘C. By 11 am, the temperature had risen by 5∘C5^{\circ}\text{C}5∘C.
Show that the temperature at 11 am was 2∘C2^{\circ}\text{C}2∘C.
370 exam-style questions on Eduqas GCSE Maths Negative Numbers. Each one has a worked solution and a mark scheme showing where the marks go.