36,204+40,918 estimate then find the sum
Estimated guess 77,000 actual sum 36,204 + 40,918 = 77,112
First you need to round the numbers: 36,204 = 36,000 40,918 = 41,000Now that the numbers are rounded it is easy to add them: 36,000 + 41,000 = 77,000 Hope this helps :)