This is the current revision of
Talk:Sum as edited by
Ed Poor (talk | contribs) at
19:40, November 4, 2008. This
URL is a permanent link to this version of this page.
(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)
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)