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Explain which is the most efficient factor to partition to solve a multiplication problem

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I can explain which is the most efficient factor to partition to solve a multiplication problem.

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Multiplying a number by a group of numbers added together is the same as doing each multiplication separately. This means a factor can be partitioned to solve multiplication problems more efficiently. It is important to consider which factor to partition so that it enables you to solve a problem more efficiently. The factor being partitioned can represent the group size or the number of groups.

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