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Regrouping Mountain

Total questions: 160

Worksheet time: 8hrs 2mins

Name
Class
Date
1.
37 + 24 = 
a)
62
b)
13
c)
51
d)
61
2.
Beth had 34 bouncy balls left AFTER she gave Sam 28 balls. How many bouncy balls did Beth have to begin? 
a)
6 bouncy balls
b)
62 bouncy balls
c)
52 bouncy balls
d)
34 bouncy balls
3.
37 + 24 = 
a)
62
b)
13
c)
51
d)
61
4.
58 + 31 = 
a)
89
b)
61
c)
98
d)
88
5.
Fred 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
6.
24+59=
a)
140
b)
248
c)
38
d)
83
7.
26+34=
a)
90
b)
70
c)
610
d)
60
8.
77+43=
a)
121
b)
120
c)
12
d)
200
9.
19+91=
a)
100100
b)
110
c)
111
d)
10
10.
59+33=
a)
812
b)
92
c)
218
d)
29
11.
475 + 324 =
a)
789
b)
799
c)
698
d)
699
12.
638 +345 =
a)
973
b)
963
c)
983
d)
975
13.
724 + 167 =
a)
876
b)
881
c)
863
d)
891
14.
243 + 167 =
a)
410
b)
310
c)
417
d)
407
15.
424 + 277 =
a)
601
b)
691
c)
701
d)
791
16.
586 + 226=
a)
813
b)
812
c)
821
d)
721
17.
683 + 954 =
a)
1537
b)
331
c)
1627
d)
1637
18.
658 + 592 =
a)
1260
b)
1250
c)
1150
d)
1110
19.
364 + 872 =
a)
1126
b)
1246
c)
1136
d)
1236
20.
693 + 787 =
a)
1308
b)
1408
c)
1480
d)
1380
21.

23+37=

a)

60

b)

50

c)

49

d)

62

22.

52+12+28=

a)

64

b)

92

c)

82

d)

40

23.

24+45=

a)

59

b)

60

c)

79

d)

69

24.

11+67+22=

a)

100

b)

78

c)

89

d)

103

25.

55+29 =

a)

84

b)

74

c)

80

d)

79

26.

68+35 =

a)

102

b)

101

c)

105

d)

103

27.

Rogue is making cookies for her friends. She has made 45 cookies so far, and needs to make 67 more. How many cookies will Rogue make in all?

a)

102

b)

112

c)

122

d)

111

28.
  36
-18
a)
28
b)
26
c)
18
d)
19
29.
  43
-19
a)
24
b)
34
c)
22
d)
36
30.
  62
-49
a)
13
b)
23
c)
12
d)
24
31.
If there are 12 bags of Skittles and you buy 9 more, how many bags are there now?
a)
21
b)
33
c)
12
d)
11
32.
Fifteen dogs were in the girl's house, then 12 cats came. How many cats and dogs were at the house now?
a)
25
b)
27
c)
17
d)
11
33.

Mrs. Dorsey is going camping. She is bringing 63 bottles of water and 28 bottles of juice. How many drinks will she have all together?

a)

100

b)

91

c)

81

d)

811

34.

65 - 24 =

(a)  

35.

82 - 37=

(a)  

36.

72 − 3572\ -\ 35  

(a)  

37.

In what place should I start subtracting?

a)

hundreds

b)

tens

c)

ones

38.

What question should you always ask when subtracting?

a)

Should I really do this?

b)

Can I subtract that?

c)

Does my Mom really love me?

d)

Will it rain today?

39.

361 − 247361\ -\ 247  

(a)  

40.

716 − 243=716\ -\ 243=  

(a)  

41.

456

-268

a)

178

b)

198

c)

188

d)

288

42.

900 - 749=

a)

185

b)

287

c)

285

d)

151

43.

842

-593

a)

249

b)

349

c)

241

d)

259

44.

614 - 387 =

a)

327

b)

227

c)

237

d)

223

45.

502 - 297 =

a)

310

b)

212

c)

205

d)

290

46.

571

-152

a)

491

b)

419

c)

423

d)

623

47.

734 - 573 =

a)

161

b)

261

c)

1,307

d)

241

48.

804 - 773 =

a)

158

b)

142

c)

61

d)

31

49.

231

-178

a)

147

b)

53

c)

163

d)

409

50.

879 - 96 =

a)

723

b)

873

c)

823

d)

783

51.
32 + 28
a)
60
b)
50
c)
50
52.
64 + 29
a)
83
b)
90
c)
93
53.
54 + 28
a)
92
b)
72
c)
82
54.
54 + 28
a)
92
b)
72
c)
82
55.
604 + 207 = 
a)
705
b)
811
c)
711
d)
615
56.
509 + 372 =
a)
991
b)
756
c)
881
d)
893
57.
215 + 776 = 
a)
1,091
b)
991
c)
891
d)
982
58.
6543+8574
a)
15,017
b)
15,117
c)
1,5117
d)
15,127
59.
8921+390
a)
9,411
b)
9,321
c)
9,311
d)
9,421
60.
7832+2108
a)
9930
b)
9940
c)
10,940
d)
9950
61.
64-19
a)
35
b)
55
c)
45
d)
47
62.
57 + 57
a)
114
b)
104
c)
124
d)
122
63.

388 - 257

a)

531

b)

131

c)

645

d)

142

64.

597 - 402

a)

195

b)

286

c)

215

d)

999

65.

744 - 422

a)

222

b)

544

c)

322

d)

233

66.

3,780 - 1,530

a)

2,241

b)

5,210

c)

3,520

d)

2,250

67.

8,765 - 4,321

a)

4,444

b)

4,321

c)

13,086

d)

8,362

68.

4,868 - 450

a)

318

b)

4,418

c)

4,828

d)

5,318

69.

7,965 - 514

a)

2,825

b)

7,651

c)

7,451

d)

8,479

70.

8,675 - 25

a)

6,175

b)

8,700

c)

7,695

d)

8,650

71.

3,894 - 200

a)

1,694

b)

1,894

c)

3,694

d)

4,094

72.

9,999 - 50

a)

9,949

b)

4,999

c)

9,499

d)

9,994

73.

234 + 345 =

(a)  

74.

569 + 231 =

(a)  

75.

487 + 324 =

(a)  

76.

648 + 299 =

(a)  

77.

316 + 316 =

(a)  

78.

799 + 154 =

(a)  

79.

183 + 356 =

(a)  

80.

849 + 143 =

(a)  

81.

228 + 289 =

(a)  

82.

449 + 449 =

(a)  

83.
73-27=
a)
46
b)
45
c)
56
d)
55
84.
45-36=
a)
10
b)
19
c)
9
d)
1
85.

528 - 173 =

a)

355

b)

455

c)

619

d)

247

86.
Beth had 34 bouncy balls left AFTER she gave Sam 28 balls. How many bouncy balls did Beth have to begin? 
a)
6 bouncy balls
b)
62 bouncy balls
c)
52 bouncy balls
d)
34 bouncy balls
87.
Fred 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
88.
409-319
a)
90
b)
910
c)
99
d)
119
89.
407-188
a)
219
b)
381
c)
329
d)
389
90.
961 - 436 =
a)
1,397
b)
535
c)
525
91.
Hanna has 51 popsicles. 27 of her popsicles melt. How many popsicles does she have left?
a)
78
b)
24
c)
36
92.
John has 65 erasers and 29 pencils. How many pencils and erasers does John have?
a)
94
b)
36
c)
814
93.
803-458
a)
455
b)
345
94.
647-415
a)
232
b)
222
95.
Sally had 876 stickers. She gave away 197 of them to her friends. How many stickers did she have left? 
a)
657
b)
679
c)
721
d)
175
96.
When adding or subtracting, you should always start in the hundreds place value.
a)
TRUE
b)
FALSE
97.
205-15
a)
190
b)
180
c)
210
d)
220
98.
32 + 28
a)
60
b)
50
c)
50
99.
64 + 29
a)
83
b)
90
c)
93
100.
54 + 28
a)
92
b)
72
c)
82
101.
54 + 28
a)
92
b)
72
c)
82
102.
604 + 207 = 
a)
705
b)
811
c)
711
d)
615
103.
509 + 372 =
a)
991
b)
756
c)
881
d)
893
104.
215 + 776 = 
a)
1,091
b)
991
c)
891
d)
982
105.
6543+8574
a)
15,017
b)
15,117
c)
1,5117
d)
15,127
106.
8921+390
a)
9,411
b)
9,321
c)
9,311
d)
9,421
107.
7832+2108
a)
9930
b)
9940
c)
10,940
d)
9950
108.

27−1327-13   ==  

a)

14

b)

24

c)

10

d)

13

109.

39-22=

a)

25

b)

17

c)

07

d)

12

110.

99-10=

a)

59

b)

79

c)

109

d)

89

111.

John ran 54 miles in a week. His sister ran 43 miles in a week. What is the difference of miles ran by John and his sister?

a)

13

b)

97

c)

11

d)

16

112.

Laura has 79 dollars and she give 25 to her mother as a gift. How much money does Laura has left?

a)

104

b)

54

c)

45

d)

67

113.

67-7=

a)

60

b)

74

c)

57

d)

7

114.

65-63=

a)

34

b)

12

c)

128

d)

2

115.

88-64

a)

24

b)

34

c)

14

d)

67

116.

Selena bought a pizza with a total of 12 slices. She ate 3 slices and her brother ate 2. How many pizza slices are left?

a)

9

b)

6

c)

5

d)

7

117.

37-37=

a)

0

b)

10

c)

74

d)

37

118.
485 + 409 =
a)
984
b)
894
c)
804
d)
1,884
119.
Find the sum: 345 + 116 =
a)
451
b)
461
c)
462
d)
450
120.

2nd grade collected 235 cans for the food drive. 3rd grade collected 155 cans. 4th grade collected 258 cans. How many cans did 2nd and 4th grade collect?

a)

380 cans

b)

390 cans

c)

493 cans

d)

483 cans

121.

One karate class has 156 students. The other karate class has 176 students. How many students are in both karate classes?

a)

323 students

b)

233 students

c)

331 students

d)

332 students

122.
5,842 + 1,998 = 
a)
6,730
b)
6,740
c)
7,740
d)
7,840
123.

5,951 + 1,385 =

(a)  

124.

4,001 + 2,485 =

(a)  

125.

8,765 + 4,809 =

(a)  

126.

7,888 + 2,957 =

(a)  

127.

6,081 + 4,742 =

(a)  

128.

3,258 + 2,138 =

(a)  

129.

6,962 + 3,390 =

(a)  

130.

9,309 + 1,890 =

(a)  

131.

5,675 + 2,011 =

(a)  

132.

8,429 + 7,709 =

(a)  

133.

7,186 + 4,106 =

(a)  

134.

9,909 + 7,182 =

(a)  

135.

5,182 + 4,177 =

(a)  

136.

7,458,215 + 5,321,814 =

(a)  

137.

27,548,582 + 56,382,942 =

(a)  

138.

117-83=

a)

200

b)

34

c)

72

d)

56

139.

62-39=

a)

101

b)

35

c)

23

d)

42

140.

218-99=

a)

119

b)

317

c)

127

d)

12

141.

182-56=

a)

238

b)

133

c)

119

d)

126

142.

338-274=

a)

126

b)

64

c)

244

d)

29

143.

404-290

a)

114

b)

694

c)

222

d)

300

144.

500-177=

a)

109

b)

223

c)

323

d)

1007

145.

812-356=

a)

456

b)

398

c)

1,123

d)

200

146.

178-49=

a)

52

b)

103

c)

235

d)

129

147.

207-119=

a)

29

b)

307

c)

88

d)

188

148.

Calculate the sum.

a)

482

b)

481

c)

582

d)

581

149.

Calculate the sum.

a)

550

b)

505

c)

605

d)

600

150.

Calculate the sum.

a)

1,108

b)

1,118

c)

1,180

d)

1,000

151.

Calculate the sum.

(a)  

152.

a statement that shows that 2 expressions are equal to one another, separated by an equal sign.

a)

minuend

b)

equation

c)

partial sums

d)

inverse operations

153.

What property does the below equation show?

4 + 0 = 44\ +\ 0\ =\ 4  

a)

Commutative Property

b)

Identity Property

154.

What property does the below equation show?

0 + 7= 70\ +\ 7=\ 7  

a)

Commutative Property

b)

Identity Property

155.

What property does the below equation show?

4 +3 = 3 + 44\ +3\ =\ 3\ +\ 4  

a)

Commutative Property

b)

Identity Property

156.

Which property of addition does the equation show?

(4 +2 ) + 2 = (2 +2) + 4\left(4\ +2\ \right)\ +\ 2\ =\ \left(2\ +2\right)\ +\ 4  

a)

Commutative Property

b)

Identity Property

c)

Associative Property

157.

Which shows the correct first step to regrouping 83?


Remember, step one is always to cross out a digit and take one away from it.

a)
b)
158.

If I regroup the number 23, which shows the same amount?

a)
b)
159.

Which of these is equal to 638?

a)
b)
c)
160.

Which of these is equal to 300?

a)
b)
c)

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