Representing Decimals
Estimate using rounding. 38.23 + 11.84
What is 38 + 12 = 50
Estimate using Rounding. 75.38 + 22.04
What is 75 + 22 = 97
Estimate using Front-End Estimation 31.29 + 58.07
What is 31 + 58 = 89
Estimate using clustering 12.045 + 11.81 + 12.3 + 11.56
What is 12 + 12 + 12 + 12 = 48
Estimate using clustering. 6.45 + 5.88 + 5.61 + 6.03
What is 6 + 6 + 6 + 6 = 24