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To subtract 316 from 624, you need to regroup twice. Start by subtracting 6 from 4 in the ones place, which requires regrouping from the tens place. Then, subtract 1 from 2 in the tens place, which also requires regrouping from the hundreds place. Finally, subtract 3 from 5 in the hundreds place to get the final result of 308.
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How can you tell how many times you need to regroup if you had to subtract 426 from 913?
913 -426 Since the 6 is larger than the 3 and the 2 is larger than the 1, you will have to regroup two times.
What is the greatest 3 digit number you can subtract from 426 so that you would need to regroup?
-423
When might i need to regroup more than one time?
You might need to regroup more than once when performing multi-digit addition or subtraction, especially when the sum or difference of two numbers exceeds the place value of the column you are working in. For example, when adding numbers like 456 and 378, regrouping may be required in both the tens and hundreds columns. Similarly, when subtracting numbers like 804 and 297, regrouping may be necessary multiple times to ensure accurate results.
Do you need to regroup to find 73 - 35?
38
How many times do you need to subtract 0.6 from 6 to reach 0?
Ten times because 6 minus 10 times 0.6 = 0
