If:
Solve the following subtraction problem:
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If:
Solve the following subtraction problem:
To solve this problem of basic subtraction, follow these steps:
Let's perform the subtraction:
Start by subtracting the units: 0 - 1. Since 0 is less than 1, we need to borrow 1 from the tens place:
This changes 70 to 60 (since we are borrowing 10 to get 10 in the units place), and then subtract 10 - 1 = 9 in the units place.
Now, in the tens place, we subtract 6 - 4 = 2 (since we borrowed 1 from the 7 to make it 6).
Bringing it all together, the result of is .
Therefore, the solution to the problem is .
If we have 85 blocks in total, how many blocks will remain if we remove 4 tens and 1 one?
You can't subtract a larger number from a smaller number in subtraction! When you see 0 - 1, you need to borrow from the tens place first.
Borrowing means taking 10 from the next column over. So 70 becomes 60 in the tens place and 10 in the ones place, giving you enough to subtract.
Borrow whenever the top digit is smaller than the bottom digit in any column. If you can't subtract, you need to borrow!
Yes! Add your answer to the number you subtracted. If you get the original number back, your subtraction is correct: ✓
When borrowing from 0, you need to keep borrowing left until you find a non-zero digit. Each 0 becomes 9, and the first non-zero digit decreases by 1.
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