SALTA 2nd grade

2nd Grade Math Progression Operations and Algebraic Thinking

Standard

Term 1

Term 2

Term 3

NA

Use addition and subtraction within 100 to solve one- and two-step word problems involving situations of adding to, taking from, putting together, taking apart, and comparing, with unknowns in all positions, e.g., by using drawings and equations with a symbol for the unknown number to represent the problem. Maintain mastery of Term 1 skills and standards.

Maintain mastery of Term 2 skills and standards.

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Solve one and two-step word problems within 100 using addition and subtraction 2.OA.1

Fluently add within 10 using mental strategies.

Fluently add within 20 using mental strategies. By the end of Grade 2, know from memory all sums of two one-digit numbers. Fluently subtract within 20 using mental strategies.

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Mentally add within 20 2.OA.2

Fluently subtract within 10 using mental strategies

Maintain mastery of Term 1 skills and standards.

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Mentally subtract within 20 2.OA.2