Not quite a full blown WCYDWT, but maybe slightly better than textbook examples. There are a few interesting questions here: Which squash bottle is not similar to the other two (one on the left)? What do they mean when they say that guitar is "half-sized" (volume is half)? How is cooking time of the turkeys worked out (scale factor squared or surface area)? More info about the maths of that last one here: http://mathnathan.com/2010/09/24/math-chef/
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Quick wins from Direct Instruction: Dimensions of Difficulty
This post was inspired by an episode of the Craig Barton podcast with Kris Boulton. Kris was acting as a salesman for Engelmann's Direct...
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There is a test that screens for some rare disease (only 1 in every million people is infected). It is 99% accurate (it gives the correct a...
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I have some very bright and very highly motivated pupils in my top-set year 10 class this year and I feel like my classes are a bit wasted o...
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Firstly, I have to admit that I haven't tried this one out yet. I just got the idea this weekend as I unearthed some 'fractions and ...
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