Noteables Interactive Study Notebook (26491.0K) - McGraw-Hill ...

3–4Read the ItemThe addends are clustered around. Round each decimalto .21.8 2019.1 2018.9 2022.0 20Solve the ItemMultiplication is repeated addition. So, a good estimate is4 × 20, or . The answer is .WRITE ITWhen should you useclustering to estimate?Check Your Progress MULTIPLE CHOICE During themonth of February, Jonathon spent $14.78 on gasoline the firstweek, $15.35 on gasoline during the second week, $15.94 ongasoline during the third week, and $14.07 on gasoline duringthe fourth week. Which is closest to the total amount Jonathonspent on gasoline during February?F $35 G $50 H $60 J $100Copyright © Glencoe/McGraw-Hill, a division of The McGraw-Hill Companies, Inc.HOMEWORKASSIGNMENTPage(s):Exercises:BUILD YOUR VOCABULARY (page 56)When you use front-end estimation, youthe values of the digits in the front place.EXAMPLE Use Front-End EstimationEstimate 14.8 + 55.9 using front-end estimation.Add thedigits.14.8 10.0___ + 55.9 ____ + 50.0Using front-end estimation, 14.8 + 55.9 is about .Check Your Progressestimation.Estimate 32.7 + 65.1 using front-endMath Connects, Course 1 65