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 with a symbol for the unknown number to represent the problem. (See Table 1)
Student Language:
About the Math, Learning Targets, and Rigor
IMPORTANT: Key-word strategies in which children focus only on one or a few words will not work with algebraic problems. Teachers need to help all children move beyond such limiting strategies by emphasizing understanding & representing the situation.