Home > Mathcasts Library > By Grade Level > 7th Grade > 7th Grade Algebra and Functions > 7AF 1.1      < 6AF3-2      > 7AF1-2

7AF.1.1 Use variables and appropriate operations to write an expression, an equation, an inequality, or a system of equations or inequalities that represents a verbal description (e.g., three less than a number, half as large as area A).