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This is an activity and center I for my students to demonstrate and explore the meaning of the equal sign. With this activity, students get to manipulate the equal sign and numbers to create true and false equations.
Model number sentences with an equation on both sides, and/or with an equation on one side and the sum or difference on the other.
This product aligns with CCSS.MATH.CONTENT.1.OA.D.7 Understand the meaning of the equal sign, and determine if equations involving addition and subtraction are true or false.