The MTT2K Prize and Kudos for Khan

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Cautionary tale. Don’t use resources before checking them. Here’s your chance to check the veracity of the Khan Academy videos. Maybe you could even win a prize for doing it!

It follows on from a critique of Khan Academy’s maths video on multiplying negative numbers by two US educators who rightly took issue with some of the inconsistencies in the ways that Khan explained the concepts. To his credit, Khan took down the offending video and re-edited it. The internet at work!
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