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Standards/Math/North Carolina/NC.2.OA

NC.2.OA

NC.2 Grade 2
NC.2.G
NC.2.MD
NC.2.NBT
NC.2.OA
NC.2.OA.1NC.2.OA.2NC.2.OA.3NC.2.OA.4

Operations and Algebraic Thinking

NC.2.OA.1Represent and solve addition and subtraction word problems, within 100, with unknowns in all positions, by using representations and equations with a symbol for the unknown number to represent the problem, when solving:NC.2.OA.2Demonstrate fluency with addition and subtraction, within 20, using mental strategies.NC.2.OA.3Determine whether a group of objects, within 20, has an odd or even number of members by:NC.2.OA.4Use addition to find the total number of objects arranged in rectangular arrays with up to 5 rows and up to 5 columns; write an equation to express the total as a sum of equal addends.
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