Timeline for How to teach addition of negative numbers?
Current License: CC BY-SA 2.5
4 events
| when toggle format | what | by | license | comment | |
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| Dec 5, 2009 at 19:38 | comment | added | Kevin H. Lin | I agree that this is the best explanation. Arnol'd also gives a good exposition of this in his memoirs "Yesterday and Long Ago". | |
| Dec 5, 2009 at 18:29 | comment | added | M.G. | From a pedagogical point of view, I think javier´s explanation is the best one one can find. | |
| Dec 5, 2009 at 14:44 | comment | added | Anna Varvak | Actually, there is a good debt model that works. If you are interested, please see my comment below. | |
| Dec 5, 2009 at 11:00 | history | answered | javier | CC BY-SA 2.5 |