Partitioning numbers to understand their place value

We have also been looking at building teen numbers with Numicon this week. We were looking at teen numbers and thinking carefully about what the 1 stood for in a teen number. We found out that to make 14 it wasn’t a 1 and a 4 (as that makes 5) but actually it was a 10 and a 4. We decided that the zero from 10 must be hiding behind the 4! After building the teen number with Numicon we then partitioned it on our whiteboards. Some children could even partition higher numbers.  Here are some of our photos: 

   
             

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