Example 1 · level 1
69 − 13 = ?
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- Ones: 9 − 3 = 6.
- 69 − 13 = 56.
Answer: 56
CLASS 2 MATHS · SUBTRACTION
Subtract 2-digit numbers (with and without borrowing)
Subtract the ones first. If the top ones digit is smaller, borrow 1 ten (10 ones).
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Worked examples
Example 2 · level 2
A school bus had 63 seats. 38 seats were filled. How many seats are empty?
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- Ones: borrow 1 ten, 13 − 8 = 5.
- 63 − 38 = 25.
Answer: 25
Example 3 · level 3
A school bus had 704 seats. 292 seats were filled. How many seats are empty?
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- Ones: 4 − 2 = 2.
- 704 − 292 = 412.
Answer: 412