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Multiply in columns (with carry)

Math Video: 2x1 digit regrouping example

Demonstrating simple multiplication in columns with regrouping.

The regrouping algorithm for multiplication is demonstrating in its simplest form (1 x 2 digit multiplication with regrouping of ones into tens). The individual steps of the algorithm are shown in detail to the right of the problem.



Practice worksheets for this type of question can be found here:

Grade 3: Multiply 1-digit by 2-digit numbers in columns

Grade 4: Multiply in columns: 1-digit by 2-digit numbers

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