Math Combinations - MathHelp.com - Pre Algebra Help

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Published on Apr 29, 2008

For a complete lesson on math combinations, go to http://www.MathHelp.com - 1000+ online math lessons featuring a personal math teacher inside every lesson! In this lesson, students learn that a combination is an arrangement of objects in which the order is not important. For example, the combination AB is the same as the combination BA. Students are then asked to solve word problems involving combinations. For example: How many different ways can 2 representatives be chosen from 4 candidates? First label the 4 different candidates as A, B, C, and D. Next, list all the different combinations of 2 representatives: AB, AC, AD, BC, BD, and CD. So there are 6 different ways that 2 representatives can be chosen from 4 candidates.

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