Difference between revisions of "Talk:Sum"

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(counting may help)
 
(No difference)

Latest revision as of 13:40, 4 November 2008

To teach addition of positive integers, we can use counting. For example, to compute 6 + 4 we start with 6. Then we count 4 more steps upwards: 7, 8, 9, 10. [1] --Ed Poor Talk 14:40, 4 November 2008 (EST)