Subtraction without borrow
Method:
- Start from the units place
- Subtract the numbers in the units place
- Subtract the numbers in the tens place
- Subtract the numbers in the hundreds place
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Answer: 550
Subtraction with borrow
Sometimes when you subtract you need to regroup 1 ten as 10 ones.
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- Start from the ones place
- In the ones place, since we cannot subtract 9 from 5, we borrow 1 from 3 and make it 2.
- In ones place we get 15-9 = 6
- In the tens place, since we have taken out 1 from 3, we have 3-1=2
- Since we cannot subtract 8 from 2, we borrow 1 from 5 and make it 4.
- In hundreds place, we have 5-3=1
Answer: 146
Directions: Answer the following questions. Also write at least ten examples of your own.
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