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1.OA.A.1 Worksheets, Workbooks, Lesson Plans, and Games
Our Take:When solving word problems that involve addition and subtraction within 20, the first grader will use grade-appropriate strategies, such as writing an equation with a symbol for the unknown and drawing a picture.
These worksheets, games, and lesson plans can help students practise this Common Core State Standards skill.
No workbooks found for this common core node.
No exercises found for this common core node.