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Composing & Decomposing Numbers (1-10) | Lesson Plan for Grades K-2 [PDF]

K.OA.A.3 Decompose numbers less than or equal to 10 into pairs in more than one way, e.g., by using objects or drawings, and record each decomposition by a drawing or equation (e.g., 5 = 2 + 3 and 5 = 4 + 1). ... Direct students to use their new understanding to complete the practice problem worksheets. Page 1 contains bare mathematical ...