D. Algebraic Thinking: 2. The student uses expressions, equations, inequalities, graphs, and formulas to represent and interpret situations.: PreK-2: The student...
MA.D.2.1.1 Add Website - Add Activity
understands that geometric symbols (¡,¨, D) can be used to represent unknown quantities in expressions, equations, and inequalities.
MA.D.2.1.2 Add Website - Add Activity
uses informal methods to solve real world problems requiring simple equations that contain one variable.