The temperature in a laboratory freezer was −18∘C-18^{\circ}\text{C}−18∘C in the morning. By the afternoon, the temperature had risen to 5∘C5^{\circ}\text{C}5∘C.
Work out the difference between these two temperatures.
Practise AQA GCSE Maths Negative Numbers with exam-style questions for Foundation and Higher tier. 100 questions, matched to the AQA GCSE Maths (8300) specification and written in Paper 1, Paper 2 and Paper 3 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.