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2nd Addition and Subtraction Facts Addition facts with sums up to 20 and related subtraction facts. Number sentences with one or two operations involved (ex. 5 + 3 + 2 or 5 + 2 – 4) ... www.math-drills.com (Math Worksheets) www.aplusmath.com (Interactive Flashcards, Worksheets, and Games) ... 2nd Grade Math Bee Competition: ................
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