Video

Multi-digit subtraction with regrouping twice (Full video)

Khan Academy
Supporting grades: 4

Description: Sal using regrouping to subtact 9601-8023. Created by Sal Khan. And immediately when we try to start subtracting in our ones place, we have a problem. And we also have that problem in the tens place. So we're going to have to do some type of borrowing or regrouping.

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