CCSS.3.NBT.A.2Grade 3 · Number and Operations in Base Ten
Fluently add and subtract within 1000 using strategies and algorithms based on place value, properties of operations, and/or the relationship between addition and subtraction
Skills that meet it
3 skills- Add Within 1000 Using Place Value StrategiesGrade 3
- Subtract Within 1000 Using Place Value StrategiesGrade 3
- Add and Subtract Within 1000 Using the Standard AlgorithmGrade 3
Standard text is quoted from the Common Core State Standards.