Let’s solve each addition problem step by step. We’ll add the numbers column by column — starting from the right (Ones place), then Tens, then Hundreds.
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Top Row:
1.
524 + 223
- Ones: 4 + 3 = 7
- Tens: 2 + 2 = 4
- Hundreds: 5 + 2 = 7
→
747
2.
422 + 452
- Ones: 2 + 2 = 4
- Tens: 2 + 5 = 7
- Hundreds: 4 + 4 = 8
→
874
3.
725 + 223
- Ones: 5 + 3 = 8
- Tens: 2 + 2 = 4
- Hundreds: 7 + 2 = 9
→
948
---
Middle Row:
4.
832 + 123
- Ones: 2 + 3 = 5
- Tens: 3 + 2 = 5
- Hundreds: 8 + 1 = 9
→
955
5.
253 + 236
- Ones: 3 + 6 = 9
- Tens: 5 + 3 = 8
- Hundreds: 2 + 2 = 4
→
489
6.
457 + 342
- Ones: 7 + 2 = 9
- Tens: 5 + 4 = 9
- Hundreds: 4 + 3 = 7
→
799
---
Bottom Row:
7.
655 + 334
- Ones: 5 + 4 = 9
- Tens: 5 + 3 = 8
- Hundreds: 6 + 3 = 9
→
989
8.
324 + 243
- Ones: 4 + 3 = 7
- Tens: 2 + 4 = 6
- Hundreds: 3 + 2 = 5
→
567
9.
449 + 430
- Ones: 9 + 0 = 9
- Tens: 4 + 3 = 7
- Hundreds: 4 + 4 = 8
→
879
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All calculations checked and correct.
Final Answer:
747, 874, 948, 955, 489, 799, 989, 567, 879
Parent Tip: Review the logic above to help your child master the concept of addition 3 digit numbers without regrouping worksheet.
