Let’s solve each problem step by step. We’ll start with the addition problems, then move to subtraction.
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Addition Problems (Find the sum):
1. 52 + 168 + 69
First, add 52 + 168 = 220
Then, 220 + 69 =
289
2. 285 + 308 + 889
285 + 308 = 593
593 + 889 =
1482
3. 633 + 354 + 854
633 + 354 = 987
987 + 854 =
1841
4. 902 + 609 + 952
902 + 609 = 1511
1511 + 952 =
2463
5. 183 + 659 + 49
183 + 659 = 842
842 + 49 =
891
6. 345 + 224 + 80
345 + 224 = 569
569 + 80 =
649
7. 922 + 866 + 170
922 + 866 = 1788
1788 + 170 =
1958
8. 342 + 251 + 157
342 + 251 = 593
593 + 157 =
750
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Subtraction Problems (Find the difference):
1. 191 - 72
191 - 70 = 121, then 121 - 2 =
119
2. 792 - 91
792 - 90 = 702, then 702 - 1 =
701
3. 922 - 83
922 - 80 = 842, then 842 - 3 =
839
4. 168 - 98
168 - 100 = 68, but we subtracted 2 too many → 68 + 2 =
70
5. 974 - 84
974 - 80 = 894, then 894 - 4 =
890
6. 812 - 80
Just take away 80 →
732
7. 625 - 78
625 - 70 = 555, then 555 - 8 =
547
8. 728 - 90
728 - 100 = 628, but we subtracted 10 too many → 628 + 10 =
638
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Final Answer:
Addition Answers:
1. 289
2. 1482
3. 1841
4. 2463
5. 891
6. 649
7. 1958
8. 750
Subtraction Answers:
1. 119
2. 701
3. 839
4. 70
5. 890
6. 732
7. 547
8. 638
Parent Tip: Review the logic above to help your child master the concept of 4th grade math addition and subtraction worksheet.
