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Modeling Instruction

Erica Posthuma-Adams's picture

Making Measurement Meaningful or Why to Avoid Saying "Sig Figs" in Class.

Sun, 09/07/2014 - 12:27 -- Erica Posthuma-Adams
Gluging in Class

Every year when the day came to discuss the rules for significant figures in measurements with my classes I would write the rules on the board, we’d work through a couple examples, and I’d try to find a way to explain why we needed to use them when reporting measurements.  This has never been my favorite topic to teach, mostly because I had a difficult time helping students see why these rules for measurement and reporting uncertainty were important.

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