CCSS.1.OA.C.6Grade 1 · Operations and Algebraic Thinking
Add and subtract within 20, demonstrating fluency for addition and subtraction within 10
Skills that meet it
16 skills- Recall Doubles 1+1 through 5+5Grade 1
- Recall Doubles 6+6 through 10+10Grade 1
- Use Near-Doubles to AddGrade 1
- Use Doubles and Near-Doubles Together to Add: Mixed PracticeGrade 1
- Fluently Add 1 within 10Grade 1
- Fluently Add 2 within 10Grade 1
- Fluently Add 3 within 10Grade 1
- Know the Make-10 PairsGrade 1
- Fluently Subtract 1, 2, or 3 within 10Grade 1
- Achieve Fluency with Addition and Subtraction within 10Grade 1
- Add within 20 without RegroupingGrade 1
- Subtract within 20 without RegroupingGrade 1
- Use Make-a-Ten Strategy to AddGrade 1
- Add within 20 by Bridging 10Grade 1
- Subtract within 20 by Bridging 10Grade 1
- Add and Subtract within 20 Using StrategiesGrade 1
Standard text is quoted from the Common Core State Standards.