6th Grade Common Core: 6.EE.6

Common Core Identifier: 6.EE.6 / Grade: 6

Curriculum: Expressions And Equations: Reason About And Solve One-Variable Equations And Inequalities.

Detail: Use variables to represent numbers and write expressions when solving a real-world or mathematical problem; understand that a variable can represent an unknown number, or, depending on the purpose at hand, any number in a specified set.