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Squeezy maths – Oddly enough

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By John Dabellteacher, writer and Ofsted-trained inspector

Squeeze every last bit of learning out of the concept of odd and even numbers with these mathematics investigations for KS2 children

Plastic numbers

Activities

  1. Odd and even phrases
  2. Odd number investigation
  3. Investigating zero
  4. More odds and evens puzzles
  5. Extra challenges

Odd and even phrases

Some children are at odds with numbers. They just don’t seem to get on. That’s hardly surprising, though, because all numbers can be fairly odd things at times!

For example, which is the odd one out from the following numbers?
6, 9, 13, 15, 17

One answer could be that 6 is the odd one out because it’s the only even number in the list. Talk about confusing! The language we use in maths needs to be precise to avoid confusion. So, before investigating odd and even numbers, it might be worth looking at some common expressions such as:
  • ‘odd one out’
  • ‘against all odds’
  • ‘odds and ends’
  • odds-on favourite’
  • ‘make no odds’
  • ‘break even’
  • ‘an even break’
  • ‘getting even’
  • ‘keep on an even keel’
  • ‘get even’
  • ‘even Steven’
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Reviews

  1. Nick Flint
    on 13 January 2013

    Great resource (tiny mistake)

    This is excellent – thanks! Will be using it in class next week.

    However, my smartypants, 8yr old daughter noticed that there is a mistake on your investigation table: odd + odd = even (not odd)

    5out of 5