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2.OA.2 (Mathematics)


Standard Identifier: 2.OA.2
Content Area: Mathematics
Grade: 2
Domain: Operations and Algebraic Thinking

Cluster:
Add and subtract within 20.

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

Footnote:
See standard 1.OA.6 for a list of mental strategies.

Questions: Curriculum Frameworks and Instructional Resources Division | CFIRD@cde.ca.gov | 916-319-0881