Work out an estimate for the value of 21.75+98.10.192\displaystyle \frac{21.75 + \sqrt{98.1}}{0.192}0.19221.75+98.1
Practise CIE IGCSE Maths Estimating with exam-style questions for Core and Extended tier. 15 questions, matched to the CIE IGCSE Maths (0580) specification and written in Paper 1 and Paper 3 (Core) or Paper 2 and Paper 4 (Extended) 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.