The volume of water in a tank is 55 litres, correct to the nearest litre.
Write down the least possible volume of water in the tank.
Write down the greatest possible volume of water in the tank.
Practise OCR GCSE Maths Error Intervals with exam-style questions for Foundation and Higher tier. 84 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.