ShNxPgJF
1.0
CCSS.Math.Content.2.OA.A.1
Use addition and subtraction within 100 to solve one- and two-step word problems involving situations of adding to, taking from, putting together, taking apart, and comparing, with unknowns in all positions, e.g., by using drawings and equations with a symbol for the unknown number to represent the problem.
85
2020-12-17T17:26:55.269833Z
2020-12-17T17:26:55.269862Z
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