To regroup indicates to rearrange groups in position value to carry out an operation. We use regrouping in subtraction, when digits in the minuend are more compact compared to the digits in the identical area while in the subtrahend. If pupils are still battling, clarify that with regrouping, Each individual https://www.generationgenius.com/videolessons/into-to-regrouping-when-adding-subtracting/