Page 131 - Demo

130 Arrow-Puffin-3_Semester-1 MathsI Estimate the difference by rounding each number to the nearest 100 and then subtract. Also find the actual difference. Estimated difference Actual difference679 %u2013 446738 %u2013 249922 %u2013 758496 %u2013 253334 %u2013 1441.2.3.4.5. Let's Practise 3.12 ApplicationII Estimate the difference by rounding each number to the nearest 1000. Also find the actual difference. Estimated difference Actual difference2876 %u2013 17703485 %u2013 11125398 %u2013 28927926 %u2013 52148779 %u2013 42351.2.3.4.5.Example 3 : Estimate the difference of 5673 and 4110 to the nearest 1000. TH H T O5 6 7 3%u20144 1 1 01 5 6 3TH H T O6 0 0 0%u20144 0 0 02 0 0 0estimatedvalueTherefore the estimated difference of 5673 and 4110 is 2000.The actual difference is 1563.