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Multiply with regrouping

Math Video: 3x1 digit regrouping example

Sample problem demonstrating regrouping in multiplication (1x3 digits).

The regrouping algorithm for multiplication is demonstrated repeatedly, with subtotals noted for additional clarity.  Focus is on tracking place value carefully (highlighted with colors).



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

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

Grade 4: Multiply in columns: 1-digit by 3-digit numbers

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