Adding and Subtracting 10

Adding and Subtracting 10

Year 2 have been using dienes blocks to add and subtract 10 to any 2 or 3 digit number.

The children created some rules for this – the ones number stays the same, then tens number gets bigger when adding and gets smaller when subtracting.

dscn0953 dscn0955 dscn0957 dscn0963 dscn1009 dscn1011 dscn1015 dscn1016

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