Grade 2 Module 1: Sums and Differences to 100
Module 1 sets the foundation for students to master sums and differences to 20. Students subsequently apply these skills to fluently add one-digit to two-digit numbers at least through 100 using place value understanding, properties of operations, and the relationship between addition and subtraction
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| CCLS | State Standard |
|---|---|
| 2.OA.1 | Use addition and subtraction within 100 to solve one- and two-step word problems involving... |
| 2.OA.2 | Fluently add and subtract within 20 using mental strategies.2 By end of Grade 2, know from memory... |
| 2.NBT.5 | Fluently add and subtract within 100 using strategies based on place value, properties of... |
