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Whitstable Maths

I sometimes like to show photos in a lesson and ask either specific maths questions prompted by the photo or a general “What maths can you see?” These are pretty good when what I had planned finishes a bit too early – especially if I can tie the photos into the maths we have been studying. 

Yesterday I was in Whitstable, Kent and took the following couple of photos (among a few others):

  

  • What is the cheapest combination of picking 1 from each section of the menu? 
  • How many different combinations of dishes will achieve this cheapest price?
  • What about the most expensive combination?
  • What do you think the restaurant makes the most money on?

  
The above picture shows a pile of empty oyster shells from an oyster shack. The man in the top left corner of the picture is standing behind the wall and gives a sense of scale. This photo could lead into some good discussions on estimation (and the problems with estimation) such as:

  • How many oysters have been de-shelled to create the pile? 
  • What assumptions have you used?
  • If each oyster costs £2 how much money has been spent on Oysters to create this pile?
  • If the shack sells 500 oysters a day, how long did it take for the pile of shells to become this big?

Whilst I’m wary of spending too long on this type of activity all the time, I do find them both fun activities and activities that lead to lots of valuable mathematics. As a bonus, they seem to engage pupils pretty well too. 

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