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WorksheetsAddition, Subtraction, and Using Estimation & Rounding
Total questions: 52
Worksheet time: 4hrs 36mins
Name
Class
Date
1.
Solve:
246 + 553 = ?
246 + 553 = ?
a)
313
b)
799
c)
809
d)
307
2.
Solve:
589 - 267 = ?
589 - 267 = ?
a)
322
b)
222
c)
312
d)
856
3.
Solve:
947 + 856 = ?
947 + 856 = ?
a)
1,793
b)
91
c)
1,703
d)
1,803
4.
Solve:
804 - 257 = ?
804 - 257 = ?
a)
547
b)
1,061
c)
653
d)
557
5.
Solve:
9,376 + 2,548 = ?
9,376 + 2,548 = ?
a)
11,924
b)
11,923
c)
11,814
d)
6,828
6.
Solve:
7,005 - 3,126 = ?
7,005 - 3,126 = ?
a)
4,121
b)
10,131
c)
3,879
d)
3,989
7.
Danny has 297 Takis. He bought 467 more Takis. How many Takis does Danny have now?
a)
765 marbles
b)
655 marbles
c)
764 marbles
d)
171 marbles
8.
Jeimy has 817 earrings. She gave away 529 of her earrings. How many earrings does she have left?
a)
1,446 marbles
b)
288 marbles
c)
312 marbles
d)
298 marbles
9.
Santos has $61,279 in the bank. He earns $34,598 the following year and puts it in the bank. How much money does he have in all?
a)
$95,777
b)
$95,778
c)
$26,681
d)
$95,767
10.
Yovani has 4,907 videos in his collection. He adds 3,156 videos to his collection. How many videos does he have in his collection now?
a)
7,053 stamps
b)
1,751 stamps
c)
8,162 stamps
d)
8,063 stamps
11.
Briza has 9,123 sharpened pencils. She breaks 7,654 pencils. How many sharpened pencils does she have left?
a)
1,469 pencils
b)
1,579 pencils
c)
2,531 pencils
d)
16,777 pencils
12.
Samuel has $52,019 in the bank. He withdraws (takes out) $14,368. How much money does he have in the bank now?
a)
$32,751
b)
$66,387
c)
$37,651
d)
$37,647
13.
Round 78 to the nearest 10.
a)
70
b)
80
14.
Round 318 to the nearest 100.
a)
320
b)
350
c)
300
d)
200
15.
Round 54 to the nearest 10.
a)
50
b)
40
c)
60
d)
55
16.
Round 826 to the nearest 10.
a)
800
b)
780
c)
830
d)
900
17.
Round 826 to the nearest 100.
a)
800
b)
900
c)
700
d)
850
18.
Round 592 to the nearest 100.
a)
500
b)
600
c)
700
d)
800
19.
Round 592 to the nearest 10.
a)
600
b)
590
c)
500
d)
650
20.
Estimate the sum of 34 and 59.
a)
80
b)
90
c)
70
d)
100
21.
Estimate the sum of 210 and 499.
a)
600
b)
800
c)
700
d)
900
22.
Estimate the sum of 362 and 139.
a)
400
b)
500
c)
600
d)
700
23.
Estimate the difference of 47 and 21.
a)
20
b)
30
c)
40
d)
50
24.
Estimate the difference of 75 and 39.
a)
30
b)
40
c)
50
d)
60
25.
518 rounds to...
a)
520
b)
600
c)
510
d)
500
26.
Estimate the difference of 31 and 11.
a)
10
b)
20
c)
30
d)
40
27.
Estimate the sum of 59 and 39.
a)
90
b)
95
c)
100
d)
110
28.
Estimate the sum of 613 and 192.
a)
900
b)
700
c)
800
d)
600
29.
A number that could round to 20 is...
a)
12
b)
28
c)
24
30.
A number that could round to 400 is
a)
401
b)
348
c)
459
31.
A number that could round to 80 is...
a)
74
b)
88
c)
78
32.
A number that could round to 350 is...
a)
341
b)
342
c)
343
d)
345
33.
A number that could round to 760 is...
a)
769
b)
752
c)
758
d)
769
34.
A number that could round to 900 is...
a)
898
b)
951
c)
849
35.
If you have 382, you might say you have ABOUT...
a)
400
b)
390
c)
450
d)
350
36.
If you have 819, you might say you have ABOUT...
a)
900
b)
880
c)
820
d)
810
37.
Round and Estimate to the nearest 10 and find the sum.
218 + 236 =
218 + 236 =
a)
400
b)
450
c)
460
d)
440
38.
Round and Estimate to the nearest 10 and find the sum.
76 - 33 =
76 - 33 =
a)
109
b)
40
c)
43
d)
50
39.
Round and Estimate to the nearest 10 and find the sum.
258 + 331 =
258 + 331 =
a)
600
b)
500
c)
590
d)
580
40.
Round and Estimate to the nearest 10 and find the sum.
72 - 35 =
72 - 35 =
a)
33
b)
30
c)
103
d)
27
41.
Round and Estimate to the nearest 100 and find the sum.
149 + 260 =
149 + 260 =
a)
409
b)
400
c)
388
d)
398
42.
Round and Estimate to the nearest 10 and find the sum.
236 - 118 =
236 - 118 =
a)
130
b)
110
c)
120
d)
112
43.
Round and Estimate to the nearest 10 and find the sum.
142 + 58 =
142 + 58 =
a)
162
b)
80
c)
210
d)
200
44.
Round and Estimate to the nearest 100 and find the sum.
862 - 319 =
862 - 319 =
a)
610
b)
1100
c)
600
d)
550
45.
Solve the equation
592 - 356 =
592 - 356 =
a)
236
b)
244
c)
237
d)
240
46.
Solve the equation
508 - 321 =
508 - 321 =
a)
185
b)
187
c)
186
d)
188
47.
David baked 45 cookies on Monday and 28 cookies on Tuesday. He ate 15 of the cookies. How many cookies does he have left?
a)
58 cookies
b)
88 cookies
c)
17 cookies
d)
2 cookies
48.
Ms. Sinclair used 1,820 pencils last year. This year she thinks she will use 1,932 pencils. About how many pencils is that all together?
a)
3,000.
b)
3,700.
c)
4,000.
d)
3,752.
49.
Dominion High School has 1,537 students. Potomac Falls and Park View have 2,785 students all together. Rounding to the HUNDREDS place, approximately how many fewer students does Dominion High School have than Potomac Falls and Park View?
a)
1,300
b)
1,200
c)
1,100
d)
1,500
50.
Round to the leading digit. What is the estimate for 34,987 + 21,988?
a)
56,975
b)
50,000
c)
60,000
d)
70,000
51.
What is the sum of 234,598 + 232,598
a)
476,847
b)
466,598
c)
467,196
52.
Brian and Ricardo are working on solving the sum of 579,454 and 197,890 in their small group. They round to the leading digit and then estimate first to see if their answer is reasonable. What is the estimate for this addition problem?
a)
777,344
b)
700,000
c)
600,000
d)
800,000
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