4-digit plus 3-digit addition worksheets | Worsheets library - Free Printable
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Step-by-step solution for: 4-digit plus 3-digit addition worksheets | Worsheets library
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Show Answer Key & Explanations
Step-by-step solution for: 4-digit plus 3-digit addition worksheets | Worsheets library
Let’s solve each addition problem step by step.
We are adding a 4-digit number and a 3-digit number in each case. We’ll add them column by column, starting from the right (ones place), then tens, hundreds, thousands — carrying over when needed.
---
Row 1:
1. 2,990 + 312
→ 0 + 2 = 2
→ 9 + 1 = 10 → write 0, carry 1
→ 9 + 3 + 1 (carry) = 13 → write 3, carry 1
→ 2 + 0 + 1 (carry) = 3
→ 3,302
2. 8,176 + 576
→ 6 + 6 = 12 → write 2, carry 1
→ 7 + 7 + 1 = 15 → write 5, carry 1
→ 1 + 5 + 1 = 7
→ 8 + 0 = 8
→ 8,752
3. 8,184 + 567
→ 4 + 7 = 11 → write 1, carry 1
→ 8 + 6 + 1 = 15 → write 5, carry 1
→ 1 + 5 + 1 = 7
→ 8 + 0 = 8
→ 8,751
4. 6,827 + 592
→ 7 + 2 = 9
→ 2 + 9 = 11 → write 1, carry 1
→ 8 + 5 + 1 = 14 → write 4, carry 1
→ 6 + 0 + 1 = 7
→ 7,419
5. 5,572 + 64
→ 2 + 4 = 6
→ 7 + 6 = 13 → write 3, carry 1
→ 5 + 0 + 1 = 6
→ 5 + 0 = 5
→ 5,636
---
Row 2:
6. 7,846 + 448
→ 6 + 8 = 14 → write 4, carry 1
→ 4 + 4 + 1 = 9
→ 8 + 4 = 12 → write 2, carry 1
→ 7 + 0 + 1 = 8
→ 8,294
7. 4,953 + 829
→ 3 + 9 = 12 → write 2, carry 1
→ 5 + 2 + 1 = 8
→ 9 + 8 = 17 → write 7, carry 1
→ 4 + 0 + 1 = 5
→ 5,782
8. 4,989 + 974
→ 9 + 4 = 13 → write 3, carry 1
→ 8 + 7 + 1 = 16 → write 6, carry 1
→ 9 + 9 + 1 = 19 → write 9, carry 1
→ 4 + 0 + 1 = 5
→ 5,963
9. 6,244 + 264
→ 4 + 4 = 8
→ 4 + 6 = 10 → write 0, carry 1
→ 2 + 2 + 1 = 5
→ 6 + 0 = 6
→ 6,508
10. 6,908 + 279
→ 8 + 9 = 17 → write 7, carry 1
→ 0 + 7 + 1 = 8
→ 9 + 2 = 11 → write 1, carry 1
→ 6 + 0 + 1 = 7
→ 7,187
---
Row 3:
11. 6,329 + 904
→ 9 + 4 = 13 → write 3, carry 1
→ 2 + 0 + 1 = 3
→ 3 + 9 = 12 → write 2, carry 1
→ 6 + 0 + 1 = 7
→ 7,233
12. 5,428 + 745
→ 8 + 5 = 13 → write 3, carry 1
→ 2 + 4 + 1 = 7
→ 4 + 7 = 11 → write 1, carry 1
→ 5 + 0 + 1 = 6
→ 6,173
13. 3,868 + 961
→ 8 + 1 = 9
→ 6 + 6 = 12 → write 2, carry 1
→ 8 + 9 + 1 = 18 → write 8, carry 1
→ 3 + 0 + 1 = 4
→ 4,829
14. 6,935 + 448
→ 5 + 8 = 13 → write 3, carry 1
→ 3 + 4 + 1 = 8
→ 9 + 4 = 13 → write 3, carry 1
→ 6 + 0 + 1 = 7
→ 7,383
15. 5,038 + 660
→ 8 + 0 = 8
→ 3 + 6 = 9
→ 0 + 6 = 6
→ 5 + 0 = 5
→ 5,698
---
Row 4:
16. 8,767 + 325
→ 7 + 5 = 12 → write 2, carry 1
→ 6 + 2 + 1 = 9
→ 7 + 3 = 10 → write 0, carry 1
→ 8 + 0 + 1 = 9
→ 9,092
17. 5,217 + 699
→ 7 + 9 = 16 → write 6, carry 1
→ 1 + 9 + 1 = 11 → write 1, carry 1
→ 2 + 6 + 1 = 9
→ 5 + 0 = 5
→ 5,916
18. 9,483 + 540
→ 3 + 0 = 3
→ 8 + 4 = 12 → write 2, carry 1
→ 4 + 5 + 1 = 10 → write 0, carry 1
→ 9 + 0 + 1 = 10 → write 0, carry 1 → but no more digits, so write 10
→ Wait — 9,483 + 540:
Thousands: 9 + 0 = 9, plus carry 1 = 10 → so it’s 10,023? Let’s check:
9,483
+ 540
-------
3+0=3
8+4=12 → write 2, carry 1
4+5+1=10 → write 0, carry 1
9+0+1=10 → write 10
→ 10,023
19. 6,815 + 777
→ 5 + 7 = 12 → write 2, carry 1
→ 1 + 7 + 1 = 9
→ 8 + 7 = 15 → write 5, carry 1
→ 6 + 0 + 1 = 7
→ 7,592
20. 5,083 + 215
→ 3 + 5 = 8
→ 8 + 1 = 9
→ 0 + 2 = 2
→ 5 + 0 = 5
→ 5,298
---
Row 5:
21. 6,267 + 143
→ 7 + 3 = 10 → write 0, carry 1
→ 6 + 4 + 1 = 11 → write 1, carry 1
→ 2 + 1 + 1 = 4
→ 6 + 0 = 6
→ 6,410
22. 6,524 + 56
→ 4 + 6 = 10 → write 0, carry 1
→ 2 + 5 + 1 = 8
→ 5 + 0 = 5
→ 6 + 0 = 6
→ 6,580
23. 2,522 + 17
→ 2 + 7 = 9
→ 2 + 1 = 3
→ 5 + 0 = 5
→ 2 + 0 = 2
→ 2,539
24. 4,438 + 442
→ 8 + 2 = 10 → write 0, carry 1
→ 3 + 4 + 1 = 8
→ 4 + 4 = 8
→ 4 + 0 = 4
→ 4,880
25. 7,879 + 779
→ 9 + 9 = 18 → write 8, carry 1
→ 7 + 7 + 1 = 15 → write 5, carry 1
→ 8 + 7 + 1 = 16 → write 6, carry 1
→ 7 + 0 + 1 = 8
→ 8,658
---
Now, let’s list all answers in order as they appear:
Row 1:
3,302 | 8,752 | 8,751 | 7,419 | 5,636
Row 2:
8,294 | 5,782 | 5,963 | 6,508 | 7,187
Row 3:
7,233 | 6,173 | 4,829 | 7,383 | 5,698
Row 4:
9,092 | 5,916 | 10,023 | 7,592 | 5,298
Row 5:
6,410 | 6,580 | 2,539 | 4,880 | 8,658
Final Answer:
3,302, 8,752, 8,751, 7,419, 5,636, 8,294, 5,782, 5,963, 6,508, 7,187, 7,233, 6,173, 4,829, 7,383, 5,698, 9,092, 5,916, 10,023, 7,592, 5,298, 6,410, 6,580, 2,539, 4,880, 8,658
We are adding a 4-digit number and a 3-digit number in each case. We’ll add them column by column, starting from the right (ones place), then tens, hundreds, thousands — carrying over when needed.
---
Row 1:
1. 2,990 + 312
→ 0 + 2 = 2
→ 9 + 1 = 10 → write 0, carry 1
→ 9 + 3 + 1 (carry) = 13 → write 3, carry 1
→ 2 + 0 + 1 (carry) = 3
→ 3,302
2. 8,176 + 576
→ 6 + 6 = 12 → write 2, carry 1
→ 7 + 7 + 1 = 15 → write 5, carry 1
→ 1 + 5 + 1 = 7
→ 8 + 0 = 8
→ 8,752
3. 8,184 + 567
→ 4 + 7 = 11 → write 1, carry 1
→ 8 + 6 + 1 = 15 → write 5, carry 1
→ 1 + 5 + 1 = 7
→ 8 + 0 = 8
→ 8,751
4. 6,827 + 592
→ 7 + 2 = 9
→ 2 + 9 = 11 → write 1, carry 1
→ 8 + 5 + 1 = 14 → write 4, carry 1
→ 6 + 0 + 1 = 7
→ 7,419
5. 5,572 + 64
→ 2 + 4 = 6
→ 7 + 6 = 13 → write 3, carry 1
→ 5 + 0 + 1 = 6
→ 5 + 0 = 5
→ 5,636
---
Row 2:
6. 7,846 + 448
→ 6 + 8 = 14 → write 4, carry 1
→ 4 + 4 + 1 = 9
→ 8 + 4 = 12 → write 2, carry 1
→ 7 + 0 + 1 = 8
→ 8,294
7. 4,953 + 829
→ 3 + 9 = 12 → write 2, carry 1
→ 5 + 2 + 1 = 8
→ 9 + 8 = 17 → write 7, carry 1
→ 4 + 0 + 1 = 5
→ 5,782
8. 4,989 + 974
→ 9 + 4 = 13 → write 3, carry 1
→ 8 + 7 + 1 = 16 → write 6, carry 1
→ 9 + 9 + 1 = 19 → write 9, carry 1
→ 4 + 0 + 1 = 5
→ 5,963
9. 6,244 + 264
→ 4 + 4 = 8
→ 4 + 6 = 10 → write 0, carry 1
→ 2 + 2 + 1 = 5
→ 6 + 0 = 6
→ 6,508
10. 6,908 + 279
→ 8 + 9 = 17 → write 7, carry 1
→ 0 + 7 + 1 = 8
→ 9 + 2 = 11 → write 1, carry 1
→ 6 + 0 + 1 = 7
→ 7,187
---
Row 3:
11. 6,329 + 904
→ 9 + 4 = 13 → write 3, carry 1
→ 2 + 0 + 1 = 3
→ 3 + 9 = 12 → write 2, carry 1
→ 6 + 0 + 1 = 7
→ 7,233
12. 5,428 + 745
→ 8 + 5 = 13 → write 3, carry 1
→ 2 + 4 + 1 = 7
→ 4 + 7 = 11 → write 1, carry 1
→ 5 + 0 + 1 = 6
→ 6,173
13. 3,868 + 961
→ 8 + 1 = 9
→ 6 + 6 = 12 → write 2, carry 1
→ 8 + 9 + 1 = 18 → write 8, carry 1
→ 3 + 0 + 1 = 4
→ 4,829
14. 6,935 + 448
→ 5 + 8 = 13 → write 3, carry 1
→ 3 + 4 + 1 = 8
→ 9 + 4 = 13 → write 3, carry 1
→ 6 + 0 + 1 = 7
→ 7,383
15. 5,038 + 660
→ 8 + 0 = 8
→ 3 + 6 = 9
→ 0 + 6 = 6
→ 5 + 0 = 5
→ 5,698
---
Row 4:
16. 8,767 + 325
→ 7 + 5 = 12 → write 2, carry 1
→ 6 + 2 + 1 = 9
→ 7 + 3 = 10 → write 0, carry 1
→ 8 + 0 + 1 = 9
→ 9,092
17. 5,217 + 699
→ 7 + 9 = 16 → write 6, carry 1
→ 1 + 9 + 1 = 11 → write 1, carry 1
→ 2 + 6 + 1 = 9
→ 5 + 0 = 5
→ 5,916
18. 9,483 + 540
→ 3 + 0 = 3
→ 8 + 4 = 12 → write 2, carry 1
→ 4 + 5 + 1 = 10 → write 0, carry 1
→ 9 + 0 + 1 = 10 → write 0, carry 1 → but no more digits, so write 10
→ Wait — 9,483 + 540:
Thousands: 9 + 0 = 9, plus carry 1 = 10 → so it’s 10,023? Let’s check:
9,483
+ 540
-------
3+0=3
8+4=12 → write 2, carry 1
4+5+1=10 → write 0, carry 1
9+0+1=10 → write 10
→ 10,023
19. 6,815 + 777
→ 5 + 7 = 12 → write 2, carry 1
→ 1 + 7 + 1 = 9
→ 8 + 7 = 15 → write 5, carry 1
→ 6 + 0 + 1 = 7
→ 7,592
20. 5,083 + 215
→ 3 + 5 = 8
→ 8 + 1 = 9
→ 0 + 2 = 2
→ 5 + 0 = 5
→ 5,298
---
Row 5:
21. 6,267 + 143
→ 7 + 3 = 10 → write 0, carry 1
→ 6 + 4 + 1 = 11 → write 1, carry 1
→ 2 + 1 + 1 = 4
→ 6 + 0 = 6
→ 6,410
22. 6,524 + 56
→ 4 + 6 = 10 → write 0, carry 1
→ 2 + 5 + 1 = 8
→ 5 + 0 = 5
→ 6 + 0 = 6
→ 6,580
23. 2,522 + 17
→ 2 + 7 = 9
→ 2 + 1 = 3
→ 5 + 0 = 5
→ 2 + 0 = 2
→ 2,539
24. 4,438 + 442
→ 8 + 2 = 10 → write 0, carry 1
→ 3 + 4 + 1 = 8
→ 4 + 4 = 8
→ 4 + 0 = 4
→ 4,880
25. 7,879 + 779
→ 9 + 9 = 18 → write 8, carry 1
→ 7 + 7 + 1 = 15 → write 5, carry 1
→ 8 + 7 + 1 = 16 → write 6, carry 1
→ 7 + 0 + 1 = 8
→ 8,658
---
Now, let’s list all answers in order as they appear:
Row 1:
3,302 | 8,752 | 8,751 | 7,419 | 5,636
Row 2:
8,294 | 5,782 | 5,963 | 6,508 | 7,187
Row 3:
7,233 | 6,173 | 4,829 | 7,383 | 5,698
Row 4:
9,092 | 5,916 | 10,023 | 7,592 | 5,298
Row 5:
6,410 | 6,580 | 2,539 | 4,880 | 8,658
Final Answer:
3,302, 8,752, 8,751, 7,419, 5,636, 8,294, 5,782, 5,963, 6,508, 7,187, 7,233, 6,173, 4,829, 7,383, 5,698, 9,092, 5,916, 10,023, 7,592, 5,298, 6,410, 6,580, 2,539, 4,880, 8,658
Parent Tip: Review the logic above to help your child master the concept of adding 4 digit numbers worksheet.
