There are 15 scenarios that lead to a one-step addition or subtraction solution.
Click here for the ‘mini-assessment’ that can be used with second graders.
The first second grade CCSSM standard is 2.OA.1. It leads to these 15 problem-types!
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.
There is an important footnote: “See Glossary, Table 1.” This on on page 88 of the standards (CCSSM).
Click here for the ‘mini-assessment’ that can be used with second graders.
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