Estimating by rounding to significant figures
A neat smartboard with a few nice examples, plus a worksheet with answers. Also some harder examples at the end. Works well with both key stages 3 and 4. I usually do this with a domino activity too, but I can't upload it on here.


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  • estimating by rounding.notebook
  • estimating worksheet.doc
  • estimation by sig fig.pdf

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Created: Jan 28, 2010

Updated: Jan 21, 2015

notebook, 68 KB

estimating by rounding

doc, 40 KB

estimating worksheet

pdf, 20 KB

estimation by sig fig

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Creative Commons "Sharealike"

Creative Commons "Sharealike"