Second Grade Common Core Math 2 OA.1 Addition and Subtraction Word Problems 2.OA.1 Practice provides two ways for students to practice and show mastery of their ability to use addition and subtraction within 100 to solve one and two step word problems.
It includes 40 distinct problems in two sets (129 slides in all!), with and without following answer slides. The PowerPoint file can be used on computers, or Promethean Activboard and Smart boards.
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Standard 2.OA.1 Represent and solve problems involving addition and subtraction.
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.