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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.
1 The math concept of multiplication tells you to get the total of a certain number or quantity that has been copied or cloned so many times. 2  The math fact is the multiplication table. Multiplication. 2  Just knowing the multiplication table limits you to just those numbers. 3  Understanding the math concept allows you to do problems such as 21 * 3 to get 63. 4  You understand that this problem is telling you to get the total of 3 bunches of 21.