A couple of years ago I stopped into a McDonald's restaurant to grab a quick snack. At the counter there was a sign advertising two apple pies for 99 cents. It sounded like a good deal until I looked up at the big menu board and noticed that the price for one apple pie was only 49 cents. I wish I had taken a picture of the two signs. When I shared this story on Twitter, Danny Nicholson replied with a link to his Bad Maths Flickr group.
The Bad Maths Flickr group contains lots of examples of bad math stopped in stores and other public places.
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Algebra 1 Teachers: How to put math/science symbols and equations (almost) anywhere - 0 views
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Free Technology for Teachers: Bad Math in the Real World - 0 views
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Class Highlights: Beyond PEMDAS- Getting them to "Get" Order of Operations - 0 views
Math in 1 to 1 at CCJH - YouTube - 2 views
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Integrating Blogging into the Curriculum | Integrating Technology in the Primary Classroom - 0 views
Teach21 Project Based Learning - 1 views
Project Based Learning in Mathematics: Learning Activities in Math Designed to Extend C... - 1 views
AJUSD - 1 views
BrainPop Educators Page - 1 views
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