Which of these dice is fair. KS3 / KS4 probability
A spreadsheet that simulates rolling three dice. Two are biased and one is fair. I get pupils to record 30, 60, 120 rolls in groups, pull the results together and then compare. Good introduction to bias, fair, unfair and experimental probability. Follow by making your own biased (weighted) dice using the nets and a 1p coin. Test them as above. Good fun.


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  • Which of these dice is fair.xlsx
  • nets for dice.docx

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Created: Jun 27, 2013

Updated: Jan 21, 2015

xlsx, 10 KB

Which of these dice is fair

docx, 18 KB

nets for dice

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This resource is designed for UK teachers. View US version .

Creative Commons "Sharealike"

Creative Commons "Sharealike"