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Primary Magazine - Issue 15: Up2d8 maths


This page has been archived. The content was correct at the time of original publication, but is no longer updated.
Created on 17 September 2009 by ncetm_administrator
Updated on 07 October 2009 by ncetm_administrator

Primary Magazine Issue 15food waste
 

Up2d8 maths

In this issue of Up2d8 we consider food wastage and the ‘freegan’ lifestyle and also discuss how we can encourage supermarkets to help us stop wasting food. It provides some great mathematical opportunities for exploring percentages, big numbers and data. This resource provides ideas that you can adapt to fit your classroom and your learners as appropriate.

apple on post it, 50p, plastic apple, green apple, recycle logo

In addition to the ideas on the spread, here are some more that you could adapt and try:

  • Make up a problem, eg the local supermarket wants to sell its most popular foods at half price instead of using ‘bogof’ offers. The manager would like to know what your favourite foods are so that he can offer these. Use this as an opportunity to make up a data handling session: Ask the children to draw one of their favourite foods on a post-it note. In groups, ask them to place their pictures on the board – how do they do this? Do they place them randomly or group them. Together make a bar chart or pictogram. Discuss the importance of labels and add these. They should then use this to help them create a bar graph or pictogram so that the manager can see clearly which foods to sell at half price
  • Younger children could:
    Set up a class shop.
    Introduce a new offer every few days or each week: Buy one get one free, Buy one get one half price, three for the price of two etc. Ask the children to look out for them in the supermarket. That would probably be enough in FS, but in KS1, these could easily be introduced in an oral and mental starter, as part of a money topic. Using an IWB, teachers could build up a comparative list, each day asking, 'Is this better value than yesterday?' rather than, ‘Is this cheaper/more expensive?’ Teachers could work with a group to calculate the best offer for buying (say) tins of beans, or any other familiar food. Would the same offer be useful for food which spoils, for example, fruit or vegetables?
  • FS children could make some packets of food (package plastic fruit or vegetables, bake salt dough biscuits or cakes until hard etc.) and label with ‘Sell by Friday’ or ‘Use by Wednesday’, then check their shop daily for items which must be removed
  • FS and KS1 children receive fruit from the school fruit scheme. They could monitor the fruit order, e.g. children check deliveries, sort for a variety each day, check how much needs to be thrown away – keep a record and try to reduce the amount etc
  • Older children could look at Freecycle
freegans

Download this Up2d8 maths resource - in PowerPoint format.

Download this Up2d8 maths resource - in PDF format.

 
 
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