Elementary arithmetic: Difference between revisions

Revision as of 21:37, 8 April 2005

Revision as of 21:38, 8 April 2005

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together: the count of the new group is the "sum" of the separate counts of the two original groups.

Symbolically, addition is represented by the "plus sign": <big> + </big>. So the statement "fivethree plus threefive equals eight" can be written symbolically as

:<math> 53 + 35 = 8.\ </math>

The order in which two numbers are added does not matter, so that, for example, three plus four equals four plus three. This is the [[commutative]] property of addition.