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Subtraction of 6 and 7-Digit Numbers with Regrouping Video Lecture - Class 4

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FAQs on Subtraction of 6 and 7-Digit Numbers with Regrouping Video Lecture - Class 4

1. What is regrouping in subtraction?
Ans. Regrouping in subtraction is a process where you borrow or exchange values from the higher place value to the lower place value in order to perform the subtraction operation. It is necessary when the digit being subtracted from is smaller than the digit being subtracted.
2. How do you subtract 6 and 7-digit numbers with regrouping?
Ans. To subtract 6 and 7-digit numbers with regrouping, start by subtracting the ones place. If the digit being subtracted is smaller than the digit being subtracted from, regroup by borrowing from the next higher place value. Continue this process for each place value until all digits have been subtracted.
3. Can you provide an example of subtracting 6 and 7-digit numbers with regrouping?
Ans. Sure! Let's subtract 9,876,543 from 10,123,456. 10,123,456 - 9,876,543 ____________ 246,913 So, the difference is 246,913.
4. What happens if there are zeros in the numbers being subtracted?
Ans. Zeros in the numbers being subtracted do not affect the regrouping process. They are treated like any other digit. However, zeros in the result can be significant and should be included.
5. Are there any tips or tricks to make subtracting 6 and 7-digit numbers with regrouping easier?
Ans. Yes, here are a few tips: 1. Start subtracting from the rightmost place value and work your way to the left. 2. When regrouping, borrow from the next higher place value and adjust the digits accordingly. 3. Double-check your subtraction by adding the difference to the number being subtracted. The sum should equal the original number.
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