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How have five years of the National Numeracy Strategy affected Year 5 pupils’ written division calculations?

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Mathematics

What were the aims of the study and how was it designed?

The study explored how Year 5 pupils from ten English primary schools tackled a variety of division problems.  The fieldwork took place in 2003 and aimed to replicate a study conducted five years earlier in order to examine:

  • whether pupils’ ability to answer questions on division had improved in the five years since the introduction of the National Numeracy Strategy; and
  • any changes in the strategies pupils used to tackle division questions. 

Nine of the ten schools also took part in the original study.  The tenth was chosen to be as similar as possible to the school it replaced.  The pupils in the study (308 Year 5 pupils, compared with 275 Year 5 pupils in 1998) responded to ten division questions.  Half of the questions were presented as word problems and half were presented as ‘bare’, uncontextualised questions, for example, 64:16.

Eight of the division questions in the test were exactly the same as before.  Two of the original questions were altered. The original questions involved division of three-digit numbers by ten.  They were replaced by two questions involving three-digit numbers to be divided by four.  These questions could be tackled through ‘halving and doubling strategies’ highlighted in the National Numeracy Strategy.