This assessment tests the different strategies used when learning addition. (Counting on, doubles, doubles +1, making 10, adding 10). #Wiki-TeacherLiveApril10

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. (See Glossary, Table 1.)