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multiplication. n. 1. (Mathematics) an arithmetical operation, defined initially in terms of repeated addition, usually written a Ã b, a.b, or ab, by which the product of two quantities is calculated: to multiply a by positive integral b is to add a to itself b times.
Page Content. The first meaning for multiplication is developed for equal groups situations, calculated by repeated addition. For example, in the early years of school, 4 Ã 3 is interpreted as 4 groups of 3 and it is calculated by repeated addition first and later by fluent use of multiplication tables. Equal Groups: A first meaning for multiplication and division. Multiplication: 4 equal groups of 3 stars, so 12 altogether.