a quick math challenge
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12-29-2013, 06:31 PM
Post: #12
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RE: a quick math challenge
(12-28-2013 10:06 PM)Les_Koller Wrote: I teach 9th grade Alg 1, and am happy to report approx 80% of my students rember the 2, 3, and 5 rules. Cannot figure out why they can't remember the by 6 rule!For me was simple to remember the 3, 2 and 6, a bit more difficult the divisibility by 7, I'd right now to check again on wiki the last one. Rules by mind are made to be forgotten if non applied, I don't mean daily, but often........ |
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