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To solve the subtraction problem , we proceed with the following steps:
Therefore, the result of the subtraction is .
Upon reviewing the possible answer choices, we find:
The correct answer that matches our calculation is Choice 3: .
If we have 67 blocks in total, how many blocks will remain if we remove 5 tens and 4 ones?
In place value, each column represents different amounts. The units column (rightmost) represents ones, while the tens column represents groups of ten. Subtracting right to left respects these place values.
When the top digit is smaller, you need to borrow from the next column to the left. For example, in 52 - 18, borrow 1 ten to make 12 - 8 = 4 in the units place.
Use addition to check subtraction! Add your answer to the number you subtracted. If you get the original number, you're right: ✓
Yes! Since 11 = 10 + 1, you can subtract 10 first (95 - 10 = 85), then subtract 1 more (85 - 1 = 84). This mental math trick works great with numbers ending in 1.
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