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.
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.
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