Operations and Algebraic Thinking
West Virginia DOE
Last updated:
2016-02-01 08:31:05
Lessons for this standard
Resources cannot be aligned to this standard, browse sub-standards to find lessons.
Related standards
- This standard is part of: OA
- This standard is derived from: CCSS.Math.Content.1.OA.C
More specific sub-standards
Finer grained standards that are part of this one
Relate counting to addition and subtraction (e.g., by counting on 2 to add 2).
West Virginia DOE
Last updated:
2016-02-01 08:31:24
Add and subtract within 20, demonstrating fluency for addition and subtraction within 10 and use strategies such as
West Virginia DOE
Last updated:
2016-02-01 08:31:53
Similar standards in other grades
Standards with the same topic and subject but for other grades
Fluently add and subtract within 20 using mental strategies and by end of Grade 2, know from memory all sums of two one-digit numbers.
West Virginia DOE
Last updated:
2016-02-01 09:42:37
Fluently add and subtract within 100 using strategies based on place value, properties of operations and/or the relationship between addition and subtraction.
West Virginia DOE
Last updated:
2016-02-01 09:49:54
Decompose numbers less than or equal to 10 into pairs in more than one way by using objects or drawings, and record each decomposition by a drawing or equation (e.g., 5 = 2 + 3 and 5 = 4 + 1).
West Virginia DOE
Last updated:
2016-02-24 14:47:03
Add up to four two-digit numbers using strategies based on place value and properties of operations.
West Virginia DOE
Last updated:
2016-02-01 09:50:09
Similar standards elsewhere
Standards derived from the same national standard
Add and subtract within 20.
Rhode Island DOE
Last updated:
2013-06-20 15:53:12