3 Digit subtraction with regrouping
This week we're going to learn how to subtract when the tens on the top are smaller than the tens on the bottom.
To do this we have to "borrow" from the hundreds. Remember, 1 hundred = 10 x tens.
Remember, the tens on the top have to be bigger than the tens on the bottom for us to be able to do our sum.
Watch the video carefully, then try the worksheets below.