stoichiometry

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From: Geoff Ruth (gruth@leadershiphigh.org)
Date: Sun Mar 07 2004 - 09:42:17 PST 

Message-Id: <p06020402bc710f0e31df@[10.100.1.254]>
Date: Sun, 7 Mar 2004 09:42:17 -0800
From: Geoff Ruth <gruth@leadershiphigh.org>
Subject: stoichiometry

Does anyone have any manipulatives or models that they use to teach
stoichiometry? I've used ingredients in a recipe as a way to try to
teach it, but students choke badly when they have to do more
abstract, symbolic stoichiometry.

Help?

-- Geoff

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