Associative Property of Addition | MathHelp.com - By MathHelp.com
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00:0-1 | the problem . One plus parentheses two plus four equals | |
00:04 | parentheses one plus two plus four demonstrates the associative property | |
00:10 | of addition . Notice that the add ins are the | |
00:14 | same on both sides of the problem . One plus | |
00:17 | two plus four . However , on the left we | |
00:21 | group the two plus four and on the right we | |
00:23 | group the one plus two . The associative property of | |
00:27 | addition states that when we add more than two numbers | |
00:31 | , the grouping of the Adams does not change the | |
00:34 | some . So let's look at how this problem demonstrates | |
00:37 | the associative property of addition . On the left side | |
00:41 | of the problem , the order of operations tells us | |
00:44 | that we must simplify inside the parentheses first , so | |
00:48 | two plus four is six and one plus six is | |
00:52 | seven . And on the right side of the problem | |
00:55 | we must also simplify inside the parentheses first . So | |
00:59 | one plus 2 is three and three plus 4 is | |
01:04 | seven , So we have seven equals 7 . Notice | |
01:08 | that the sum is the same on both sides of | |
01:11 | the problem , even though we grouped the Adams differently | |
01:16 | . In general terms , the associative property of addition | |
01:19 | can be written as a plus parentheses , B plus | |
01:25 | C equals parentheses A plus B plus C , where | |
01:34 | A , B and C are variables that represent any | |
01:39 | number . |
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