Add and Subtract with Facts (up to 20)
Master addition and subtraction within 20 using efficient strategies.
2nd Grade - Math - Add & Subtract with facts up to 20
About This Skill
Develop fluency in adding and subtracting within 20 by using strategies such as making ten, doubles, and related facts. Strengthen problem-solving skills by recognizing number patterns and applying mental math techniques for quick and accurate calculations.
Skills & Topics
- Number Sense and Operations
- Addition
- Subtraction
- Add
- Addend
- Adding
- Sum
- Subtract
- Difference
- Fact Family
Curriculum Alignment
- AC9M2A02: recall and demonstrate proficiency with addition facts to 20; extend and apply facts to develop related subtraction facts
- ENG-MATH-Y2-AS.3: Recall and use addition and subtraction facts to 20 fluently, and derive and use related facts up to 100.
- NY-2.OA.2a
- 2.OA.B.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.
- 2.OA.B.2
- MA.2.NSO.2.1
- MATH.2.4.A
- G2.B2.2
- BC.MATH.G2.CONTENT.03
- AB.MATH.G2.MAT2-OI1-GQ2-LO1
- ZA.CAPS.MATH.G2.NOR.1.16