MEDIAN Don Steward mathematics teaching: two significant figures

MEDIAN Don Steward mathematics teaching

median
don steward
mathematics teaching 10 ~ 16

Thursday 7 December 2017

two significant figures

a ppt is here

what could these numbers have been before they were rounded to 2 significant figures?

Posted by don steward

Labels: rounding, significant figures

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don steward: my interest is in effective tasks for teaching mathematics to 10 to 18 year students ~ I have collected and trialled many people's ideas for tasks for many years and have played at making these work ~ my thanks to these people

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