Work out an estimate for the value of 28.4×21.055.9\displaystyle \frac{28.4 \times 21.05}{5.9}5.928.4×21.05
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.