The temperature in Berlin at 2 am was −5∘C-5^{\circ}\text{C}−5∘C. By 12 pm, the temperature had risen by 4∘C4^{\circ}\text{C}4∘C.
Work out the temperature at 12 pm.
Practise OCR GCSE Maths Negative Numbers with exam-style questions for Foundation and Higher tier. 100 questions, matched to the OCR GCSE Maths (J560) specification and written in the written papers 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.