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Thursday, 4 August 2011

Week 2 Using 5's

Today we are looking at using our knowledge of 5 to solve problems.

We can break number up into 5 and ... to help us add. eg


6 + 5 is the same as (5+1) + 5 so we then can see that  5+5 is 10 + 1 more equals 11.

We can solve bigger problems like 35 + 6 by breaking this up into 35 + (5+1) = 41

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