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# My three revelations about young children’s maths

I’ve been doing research this week on mathematical development in the Early Years, which has produced three very interesting revelations for me and how I’ve always perceived mathematical development.

First of all, let me say that I was a little sad when the EYFS moved away from ‘Problem Solving, reasoning and numeracy (PSRN)’ back to ‘mathematical development’ as a descriptor for this area of learning and development. PSRN really explained that this area is not just about numbers, but how we use maths, its benefits and how children learn about maths.

Let me give you an example. Probability is the mathematical term of how likely something will occur. If you have 10 balls, nine yellow and one pink, and you randomly choose a ball it is more likely (more probable) to be yellow than pink. As adults, this is fairly intuitive – obvious even.

However – it turns out that babies as young as six months old show surprise when there is an improbable colour ball drawn out – i.e. if you drew out the only pink ball in the box in the example here (Denison et al., 2013).

The inference is that babies start to reason mathematically about their world at around six months old – they are logical.