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Oct 02, 2017 · 2.OA.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. What are math facts? Mathematics Pacing Guide. Time Frame: 7 Weeks – November-December Second Grade. Unit 2: Understanding Place Value. Standards for Mathematical Practice Literacy Standards 2. ................
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