Q1. What is the easiest way to check subtraction?

Add the answer (difference) to the smaller number. It should equal the larger number.

Q2. Why is estimation important?

Estimation helps to quickly guess the result and check if the exact answer makes sense.

Q3. What is regrouping in subtraction?

It’s the borrowing process when the top digit is smaller than the bottom one.

Class5Maths - JNG ACADEMY

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