======MA 02.OA.B.2======


====Standard:====
MA 02.OA.B.2  Fluently add and subtract within 20 using mental strategies.2 By end of Grade 2, know from memory all sums of two one-digit numbers.  
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====Standard Unpacked:====
Fluently add and subtract within 20 using mental strategies.2 By end of Grade 2, know from memory all sums of two one-digit numbers. 



==== Lesson Plans: ====




==== Resources: ====
Good Projects here: Illustrative Mathematics https://www.illustrativemathematics.org/content-standards/2


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