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WorksheetsEstimating Sums and Differences by Rounding
Total questions: 20
Worksheet time: 20mins
237 fifth graders and 346 fourth graders went on a field trip. Estimate how many more fourth graders were on a field trip than fifth graders.
200 more
109 more
100 more
110 more
If you have 382, you might say you have ABOUT...
400
390
450
350
If you have 819, you might say you have approximately...
900
880
820
810
Mrs. Krutak used 1,820 pencils last year. This year she thinks she will use 1,932 pencils. About how many pencils is that all together?
3,000.
3,700.
4,000.
3,752.
ESTIMATE to find the sum, by rounding to the largest place values.
853,471 + 36,839
840,000
940,000
1,000,000
1,300,000
Misael has 745 points on class dojo. Yubina has 611 points. About how many points do they have together?
1,356
1,300
134
100
Round to the nearest ten thousand, then estimate the difference:
887,167 - 342,208 =
500,000
554,000
545,959
550,000
Round to the nearest thousand, then estimate the difference:
98,412 - 45,802
53,000
51,000
52,000
51,872
Round to the nearest hundred, then estimate the sum:
123 + 456
580
600
650
500
There are 293 steps to the top of the Leaning Tower of Pisa in Italy. To the nearest hundred, about how many steps are there?
200
300
290
250
Estimate how many more miles were run last year than this year by rounding each number in the table to the nearest hundred and solving the problem
Estimate by rounding to the nearest whole dollar. $5.38 + $6.14
$12
$11.50
$1
$11
Round to the nearest ten thousand, then estimate the sum:
315,245 + 41,559
360,000
350,000
357,000
340,000
Round to the nearest hundred, then estimate the difference:
642 − 137
600
780
500
510
Estimate
finding an answer that is reasonable by rounding the numbers in an equation
price the guy gives you before fixing your car
rounding numbers
over spending at the movies
Round to the nearest hundred, then estimate the sum:
123 + 456
580
600
650
500
What is the estimate of 28+33?
60
61
50
51
Round to the nearest thousand, then estimate the sum:
2,764 + 4,851
7,000
6,000
5,000
8,000
Round to the nearest thousand, then estimate the sum:
25,219 + 4,876
29,000
31,000
30,000
35,000
Round to the nearest thousand, then estimate the sum:
66,246 + 22,651
89,000
88,000
90,000
89,748
