Let's solve each of the two-digit subtraction problems step by step. We'll go through them one at a time and explain the process.
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1) 97 - 80
- Subtract the ones place: 7 - 0 = 7
- Subtract the tens place: 9 - 8 = 1
- Answer:
17
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2) 69 - 34
- Ones place: 9 - 4 = 5
- Tens place: 6 - 3 = 3
- Answer:
35
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3) 90 - 23
- Ones place: 0 - 3 → Can't do, so borrow 1 from tens.
- 10 - 3 = 7 (after borrowing)
- Tens place: 8 (since we borrowed 1) - 2 = 6
- Answer:
67
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4) 70 - 60
- Ones place: 0 - 0 = 0
- Tens place: 7 - 6 = 1
- Answer:
10
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5) 64 - 16
- Ones place: 4 - 6 → Can't do, borrow 1 from tens.
- 14 - 6 = 8
- Tens place: 5 (after borrowing) - 1 = 4
- Answer:
48
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6) 37 - 23
- Ones place: 7 - 3 = 4
- Tens place: 3 - 2 = 1
- Answer:
14
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7) 89 - 66
- Ones place: 9 - 6 = 3
- Tens place: 8 - 6 = 2
- Answer:
23
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8) 66 - 64
- Ones place: 6 - 4 = 2
- Tens place: 6 - 6 = 0
- Answer:
02 or just
2
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9) 74 - 49
- Ones place: 4 - 9 → Can't do, borrow 1 from tens.
- 14 - 9 = 5
- Tens place: 6 (after borrowing) - 4 = 2
- Answer:
25
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10) 63 - 11
- Ones place: 3 - 1 = 2
- Tens place: 6 - 1 = 5
- Answer:
52
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11) 92 - 52
- Ones place: 2 - 2 = 0
- Tens place: 9 - 5 = 4
- Answer:
40
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12) 67 - 60
- Ones place: 7 - 0 = 7
- Tens place: 6 - 6 = 0
- Answer:
07 or just
7
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✔ Final Answers:
1)
17
2)
35
3)
67
4)
10
5)
48
6)
14
7)
23
8)
2
9)
25
10)
52
11)
40
12)
7
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💡
Tips for solving two-digit subtraction:
- Always start from the right (ones place).
- If the top digit is smaller than the bottom digit in any column,
borrow 1 from the next higher place value.
- Remember to reduce the higher digit by 1 after borrowing.
Let me know if you'd like this formatted as a printable answer sheet!
Parent Tip: Review the logic above to help your child master the concept of subtraction worksheet drills.
