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Complete the four fact families for 9 using the row of white and black counters as a guide. The first one is done for you.  



Note: The order the 4 equations are written in does not matter. 



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The various resources listed below are aligned to the same standard, (KOA03) taken from the CCSM (Common Core Standards For Mathematics) as the Addition and subtraction Worksheet shown above.
Decompose numbers less than or equal to 10 into pairs in more than one way, e.g., ...
Similar to the above listing, the resources below are aligned to related standards in the Common Core For Mathematics that together support the following learning outcome:
Understand addition as putting together and adding to, and understand subtraction as taking apart and taking from