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Posted by Peter on 17th November 2008
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Free Y3 maths worksheet: counting on (teens)

Free maths worksheet from mathsblog.co.uk
Counting on is a very powerful tool when using mental methods of calculating. This worksheet concentrates on counting on a teen number to a number in the hundreds and can be seen as an addition problem (143 + 16).
The usual method of doing this requires the ability to partition (ie know [...]