During closing, sharing our work after determining with a partner a fact family.
This group pulled the cards 4 and 7 (the parts) and determined together it makes 11 (the whole). Then they wrote the equations that had a relationship with those three numbers:
4 + 7 = 11
7 + 4 = 11
11 - 4 = 7
What is the missing related subtraction math sentence? 
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