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Demonstrate understanding of the meaning of joining (putting together) and separating (taking apart) sets of objects.

Number: MA.1.A.1.Su.a	Category: Supported
Date Adopted or Revised: 09/07	Big Idea: BIG IDEA 1 : Develop understandings of addition and subtraction strategies for basic addition facts and related subtraction facts.

Name	Description
MA.1.A.1.1:	Model addition and subtraction situations using the concepts of "part-whole," "adding to," "taking away from," "comparing," and missing addend."
MA.1.A.1.2:	Identify, describe, and apply addition and subtraction as inverse operations.

Access Point #: MA.1.A.1.Su.a (Archived Access Point)