Mathematics | Grade : 1
Domain - Operations and Algebraic Thinking
Cluster - Represent and solve problems involving addition and subtraction.
[1.OA.A.2] - Solve word problems that call for addition of three whole numbers whose sum is less than or equal to 20, e.g., by using objects, drawings, and equations with a symbol for the unknown number to represent the problem.
[1.OA.A.1] -
Use addition and subtraction within 20 to solve word problems involving situations of adding to, taking from, putting together, taking apart, and comparing, with unknowns in all positions, e.g., by using objects, drawings, and equations (number sentences) with a symbol for the unknown number to represent the problem. See Glossary, Table 1
[1.MD.C.4] -
Organize, represent, and interpret data with up to three categories; ask and answer questions about the total number of data points, how many in each category, and how many more or less are in one category than in another.