CCSS.Math.Content.1.OA.D.7 1st Grade
CCSS.Math.Content.1.OA.D.7 1st Grade
Understand the meaning of the equal sign, and determine if equations involving addition and subtraction are true or false.
Exercises
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.
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