Author Archives: Sally B

About Sally B

Chemistry Teacher

Learning the International System of Units is easy if you only get rid of the centimeter!

The metric system was based on tens.  The international system of units is based on thousands. Once you get rid of the centimeter and go straight to the millimeter, students understand the simplicity of measurement with SI.  We need to stop assessing students’s ability to measure using centi as an appropriate prefix.

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