Estimating
Another name for estimate
Rounding
number
bigger
6,311+268
6,579
10,133 rounded to the nearest hundred
10, 100
Arrange these numbers from least to greatest
8,002 2,080, 820 2,008 8,200
820, 2,008 2,080 8,002 8,200
34,698+71,840
106,538
122,453 rounded to the nearest hundred
122,500
Use each of the digits 5,4,3,2,1 exactly once to create two different five-digit numbers
show to the teacher
8,314+2,493
10,807
78,955 rounded to the nearest ten thousand
80,000
975,462 songs were downloaded in one day. Round this number to the nearest hundred thousand to estimate how many songs were downloaded in one day.
1,000,000
527+275+752
1,554
45, 135 rounded to the nearest thousand
45,000
Estimate the difference by rounding each number to the given place value
712,350-342,802
a.round to the nearest ten thousands
b.round to the nearest hundred thousands
a. 369,548 =370,000
b. 369,548 = 400,000
38,193+6,376+241,457
286,026