CCSS 2.OA.2 Worksheets.  Addition and Subtraction Worksheets.

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Common Core State Standard 2.OA.2

Operations & Algebraic Thinking

Add and Subtract Within 20

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

Common Core State Standards: 2.OA.2

single digit addition worksheetsSingle Digit Addition Worksheets

Common Core State Standards: 2.OA.2
Operations & Algebraic Thinking
Add and subtract within 20.

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

single digit addition drillsSingle Digit Addition Fluency Drills Worksheets

Common Core State Standards: 2.OA.2
Operations & Algebraic Thinking
Add and subtract within 20.

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

adding three single digit addition worksheetsThree Single Digit Numbers Addition Worksheets

Common Core State Standards: 2.OA.2
Operations & Algebraic Thinking
Add and subtract within 20.

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

single digit subtraction worksheetsSingle Digit Subtraction Worksheets

Common Core State Standards: 2.OA.2
Operations & Algebraic Thinking
Add and subtract within 20.

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