Question Video: Subtracting One-Digit Numbers from Two-Digit Numbers Using Place Value Tables Mathematics • 2nd Grade

Take away 4 from 65.


Video Transcript

Take away four from 65.

In this question, we have to subtract a one-digit number from a two-digit number. And we have to use the column subtraction method. The number we’re taking away from is 65, which has six 10s and five ones. And we have to subtract four from this number. Four is a one-digit number, so it just has a ones digit. So the calculation has already been written for us, which means we can start subtracting. And we always subtract the ones first. The number 65 has five ones, and we need to subtract four ones. This is quite an easy calculation. Five take away four equals one. Five ones take away four ones leaves us with one.

Now, all we need to do is subtract in the tens column. There are six 10s and nothing to subtract. This is because we’re subtracting a one-digit number from a two-digit number. Six 10s take away no 10s leaves us with six 10s. We didn’t need to do any regrouping. We had enough ones to subtract from. 65 subtract four is 61. When we subtract a one-digit number from a two-digit number using column subtraction, first, we have to write out the calculation. Then we subtract the ones, making sure to record any regrouping we need to do. Then we subtract the tens. 65 subtract four equals 61.

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