400 Second Grade Math Word Problems, Answers within 100, Spain Coloring Theme, Second Grade Math Test Prep, Second Grade Addition and Subtraction Word Problems, Common Core Grade 2 Math Activities, Second Grade Math Emergency Sub Plan, No Prep Second Grade Math Worksheets CCSS-2.OA.A.1Use 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., b