Monday, June 11, 2012

And they're off!

OK, so clearly we have to do a bit of "welcome, welcome" stuff, what with this being a new blog and all. I also have to point in the general direction of my other blogs, just in case anyone still needs to catch up on the world-famous "Maths Teacher Goes To The Movies" blog (as featured in TES, folks!). But stuff that for a game of soldiers and on with the motley. There'll be time for hellos later.

So I'm teaching Distance/Speed/Time to my new S3 class, and I decided to look for some slightly more imaginative starters, as you do. A quick hunt round t'internet brought up Usain Bolt's world record time of  9.58 seconds for the 100m, set in Berlin in 2009. It's a nice enough question to ask the class to work out Bolt's speed in kilometres per hour, but an even better one is: should he have been arrested for speeding? It seems that in residential areas in Germany there's often a speed limit of 30kph.

There's even a clip you can show from youtube (along with annoying adverts, for which apologies):

See what your class think. I won't spoil things by telling you the answer.

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