NCTM+Standards


 * NCTM Standards **


 * Grades 6–8 Expectations**: In grades 6–8 all students should–
 * model and solve contextualized problems using various representations, such as graphs, tables, and equations.


 * Grades 9–12 Expectations**: In grades 9–12 all students should–
 * identify essential quantitative relationships in a situation and determine the class or classes of functions that might model the relationships;