Let’s solve each addition problem step by step. We’ll add the numbers column by column, starting from the Ones place, then Tens, then Hundreds. If a column adds up to 10 or more, we carry over to the next column — but in these problems, none of them require carrying, so it’s straightforward!
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Problem 1: Already solved as example → 231 + 425 = 656
We’ll skip this one since it’s done.
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Problem 2: 571 + 124
Ones: 1 + 4 =
5
Tens: 7 + 2 =
9
Hundreds: 5 + 1 =
6
→ Answer:
695
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Problem 3: 101 + 728
Ones: 1 + 8 =
9
Tens: 0 + 2 =
2
Hundreds: 1 + 7 =
8
→ Answer:
829
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Problem 4: 246 + 623
Ones: 6 + 3 =
9
Tens: 4 + 2 =
6
Hundreds: 2 + 6 =
8
→ Answer:
869
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Problem 5: 331 + 414
Ones: 1 + 4 =
5
Tens: 3 + 1 =
4
Hundreds: 3 + 4 =
7
→ Answer:
745
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Problem 6: 491 + 108
Ones: 1 + 8 =
9
Tens: 9 + 0 =
9
Hundreds: 4 + 1 =
5
→ Answer:
599
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Problem 7: 671 + 220
Ones: 1 + 0 =
1
Tens: 7 + 2 =
9
Hundreds: 6 + 2 =
8
→ Answer:
891
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Problem 8: 720 + 168
Ones: 0 + 8 =
8
Tens: 2 + 6 =
8
Hundreds: 7 + 1 =
8
→ Answer:
888
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Problem 9: 851 + 47
Wait — this one is written with only two digits in the second number. That means it’s 047 (or just 47). So:
Ones: 1 + 7 =
8
Tens: 5 + 4 =
9
Hundreds: 8 + 0 =
8
→ Answer:
898
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Final Answer:
Here are all the answers in order (left to right, top to bottom):
- 571 + 124 =
695
- 101 + 728 =
829
- 246 + 623 =
869
- 331 + 414 =
745
- 491 + 108 =
599
- 671 + 220 =
891
- 720 + 168 =
888
- 851 + 47 =
898
Parent Tip: Review the logic above to help your child master the concept of addition worksheet with place value.
