Monday, January 18, 2016

Math - Fact Families

We have spent several weeks exploring subtraction strategies and the relation of addition to subtraction in our current unit of My Math.  This week, we'll review using fact triangle cards and fact family houses.
 
 
Link for 2-Page Worksheet
 
 
For the fact family houses, the largest number goes on the top of the triangular roof.  The other two numbers are written in the small boxes on the sides of the roof.  The windows are filled with two addition sentences on the "upstairs" windows and the two related subtraction sentences on the "downstairs" windows.
 

 
I'll use one page as an assessment and the other for a partner activity. 
 

 
These first graders enjoy opportunities to learn with partners!




 
 
 
 

 
 
















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