Checking Subtraction

Unit 17: Getting Better at Addition and Subtraction
Lesson 7 of 12

Objective: SWBAT improve their fluency with subtraction.

Big Idea: Students need to develop fluency in subtraction, and by understanding how subtraction is related to addition, they can make the connections that can improve fluency and understanding.

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Math, Number Sense and Operations, addition, subtraction, reciprocity of addition and subtraction, Operations
  50 minutes
100 0777
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