Our friend the Cookie Monster has been helping us to learn about subtraction.
We know that when we subtract one number from another we end up with 'less'.
This is a big mathematical idea and this understanding helps us to estimate if our answer is likely to be correct or not.
The Cookie Monster story problems have helped us to understand subtraction as 'taking away' and to also count back on a number line to solve subtraction number sentences.
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| We certainly enjoyed 'taking away'. |
