Round each number in the table to the nearest ten.
23 -->
Round each number in the table to the nearest hundred.
236 -->
Round the numbers to the nearest ten to estimate the answers.
73 + 57: 70 + 60 = 130 (example)
67 + 44: + =
74 − 53: − =
93 − 27: − =
342 + 76: + =
Round the numbers to the nearest hundred to estimate the answers.
734 + 576: 700 + 600 = 1,300 (example)
673 + 448: + =
743 − 553: − =
943 − 278: − =
3,462 + 763: + =
Sammy bought two ice cream bars for 54¢ each and a snow cone for 59¢. Which shows the best way to estimate how much Sammy spent on treats?
Use the chart for the following questions:
Which equation best shows an estimate of how many more miles Mr. Parson drove on Wednesday than Thursday?
About how far did Mr. Parson drive last week?
A good estimate of the number of miles Mr. Driscoll drove on those two days is
− =