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Lesson: Identifying Odd and Even Numbers: Additon Sentences Go Math! • Grade 3 • Common Core • Go Math! • Grade 2 • Common Core • enVisionmath2.0 • Grade 2 • Volume 1 • Common Core
MathematicsIn this lesson, we will learn how to write expressions of the form a+a or a+a+1 to prove whether a number up to 20 is even or odd.