Let’s solve each subtraction problem step by step. Remember: we’re subtracting without regrouping, which means in every column (ones, tens, hundreds, thousands), the top number is bigger than or equal to the bottom number — so no borrowing needed!
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Problem 1: 2301 - 1201
Start from the right:
- Ones: 1 - 1 = 0
- Tens: 0 - 0 = 0
- Hundreds: 3 - 2 = 1
- Thousands: 2 - 1 = 1
Answer:
1100 → That’s option
B
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Problem 4: 1142 - 1021
- Ones: 2 - 1 = 1
- Tens: 4 - 2 = 2
- Hundreds: 1 - 0 = 1
- Thousands: 1 - 1 = 0 (we don’t write leading zero)
Answer:
121 → That’s option
A
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Problem 7: 4234 - 1132
- Ones: 4 - 2 = 2
- Tens: 3 - 3 = 0
- Hundreds: 2 - 1 = 1
- Thousands: 4 - 1 = 3
Answer:
3102 → That’s option
D
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Now let’s do the open-ended problems on Set B5.
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Set B5 Problem 1: 2685 - 1374
- Ones: 5 - 4 = 1
- Tens: 8 - 7 = 1
- Hundreds: 6 - 3 = 3
- Thousands: 2 - 1 = 1
Answer:
1311
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Problem 2: 5796 - 3612
- Ones: 6 - 2 = 4
- Tens: 9 - 1 = 8
- Hundreds: 7 - 6 = 1
- Thousands: 5 - 3 = 2
Answer:
2184
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Problem 3: 8597 - 5432
- Ones: 7 - 2 = 5
- Tens: 9 - 3 = 6
- Hundreds: 5 - 4 = 1
- Thousands: 8 - 5 = 3
Answer:
3165
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Problem 4: 6758 - 5314
- Ones: 8 - 4 = 4
- Tens: 5 - 1 = 4
- Hundreds: 7 - 3 = 4
- Thousands: 6 - 5 = 1
Answer:
1444
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Problem 5: 9835 - 6312
- Ones: 5 - 2 = 3
- Tens: 3 - 1 = 2
- Hundreds: 8 - 3 = 5
- Thousands: 9 - 6 = 3
Answer:
3523
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Problem 6: 4869 - 3254
- Ones: 9 - 4 = 5
- Tens: 6 - 5 = 1
- Hundreds: 8 - 2 = 6
- Thousands: 4 - 3 = 1
Answer:
1615
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Problem 7: 7685 - 3165
- Ones: 5 - 5 = 0
- Tens: 8 - 6 = 2
- Hundreds: 6 - 1 = 5
- Thousands: 7 - 3 = 4
Answer:
4520
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Problem 8: 3894 - 2852
- Ones: 4 - 2 = 2
- Tens: 9 - 5 = 4
- Hundreds: 8 - 8 = 0
- Thousands: 3 - 2 = 1
Answer:
1042
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Problem 9: 5863 - 2731
- Ones: 3 - 1 = 2
- Tens: 6 - 3 = 3
- Hundreds: 8 - 7 = 1
- Thousands: 5 - 2 = 3
Answer:
3132
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Problem 10: 9537 - 2434
- Ones: 7 - 4 = 3
- Tens: 3 - 3 = 0
- Hundreds: 5 - 4 = 1
- Thousands: 9 - 2 = 7
Answer:
7103
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Problem 11: 8945 - 4813
- Ones: 5 - 3 = 2
- Tens: 4 - 1 = 3
- Hundreds: 9 - 8 = 1
- Thousands: 8 - 4 = 4
Answer:
4132
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Problem 12: 7584 - 6132
- Ones: 4 - 2 = 2
- Tens: 8 - 3 = 5
- Hundreds: 5 - 1 = 4
- Thousands: 7 - 6 = 1
Answer:
1452
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Final Answer:
Multiple Choice Answers:
1. B
4. A
7. D
Open-Ended Answers (Set B5):
1. 1311
2. 2184
3. 3165
4. 1444
5. 3523
6. 1615
7. 4520
8. 1042
9. 3132
10. 7103
11. 4132
12. 1452
Parent Tip: Review the logic above to help your child master the concept of subtraction worksheet with graph paper.
