Keep your subtraction skills sharp, practise mental subtraction and challenge youself by trying all the levels.
http://www.amblesideprimary.com/ambleweb/mentalmaths/subtractiontest.html
See how long it takes you to answer all the subtraction questions.
http://www.primarygames.co.uk/pg7/wwsub.swf
Sunday, 29 January 2012
Tuesday, 17 January 2012
Tuesday, 3 January 2012
Happy New Year.
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