The temperature in Montreal one day was −14∘C-14^{\circ}\text{C}−14∘C. The next day the temperature was 9∘C9^{\circ}\text{C}9∘C lower.
Work out the new temperature.
144 exam-style questions on OCR GCSE Maths Negative Numbers. Each one has a worked solution and a mark scheme showing where the marks go.