Friday, July 01, 2011

Addition and Subtraction: Strategies (EA - AA)


EA-AA

Make 567 with place value blocks.  What do you have to add in order to make 800?  




Jump like a frog to a 'tidy' number - then add up your jumps.  It's much easier this way!





Use the number line to represent addition and subtraction problems visually.  



Learn to look for the difference between the two numbers.

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