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  Interactive: Notebook: Operations and Algebraic Thinking, Subtraction - Spring Theme (grade 1)
Operations and Algebraic Thinking - Math Mats - Interactive Subtraction for Grade 1 - large image
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Seven colorful math pages for practice in subtraction within 20. May be used for student practice or to model use of corresponding printable math mats. CC: Math: 1.OA.A.1-2, B.3-4, C.5-6, D.7-8

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