Question Video: Subtracting Three-Digit Numbers with Regrouping Ones and Tens Mathematics • 2nd Grade

Find the following: 800 − 562 = _


Video Transcript

Find the following: 800 take away 562.

In this question, we’re subtracting a three-digit number from a three-digit number. And when we’re using the standard written method, we always start by subtracting in the ones column. But we have a problem because 800 has no ones, and we need to subtract two. And we have another problem. There are no tens in the tens column, so we need to move to the hundreds digit to help us regroup. We need to take one of our hundreds and exchange it for 10 10s. And now we need to take one of our tens and exchange it for 10 ones.

Now we can start to subtract in the ones column. 10 take away two is eight. Next, we can subtract in the tens column. We’ve got nine 10s, and we need to take away six, which leaves us with three 10s. And finally, we can subtract the hundreds. Seven 100s take away five 100s leaves us with two 100s. 800 subtract 562 equals 238.

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