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    Pre-Algebra 7 – Associative & Distributive Properties of Multiplication

    Hello. I’m Professor Von Schmohawk and welcome to Why U. In our last lecture we saw that addition and multiplication are both commutative operations. The order of numbers which are added or multiplied can be rearranged without affecting the result. As we saw, addition also has an “associative” property. According to the Associative Property of Addition three or more numbers which are added can be grouped in any way without affecting the result. Does this also apply to multiplication? Let’s start with our stack of 24 boxes and group them in different ways before multiplying. For instance if we group the two and the three we get four groups of…