8.8: Expressions, equations, and relationships. The student applies mathematical process standards to use one-variable equations or inequalities in problem situations.

Expressions, equations, and relationships. The student applies mathematical process standards to use one-variable equations or inequalities in problem situations.

8.8.AWrite one-variable equations or inequalities with variables on both sides that represent problems using rational number coefficients and constants.8.8.BWrite a corresponding real-world problem when given a one-variable equation or inequality with variables on both sides of the equal sign using rational number coefficients and constants.8.8.CModel and solve one-variable equations with variables on both sides of the equal sign that represent mathematical and real-world problems using rational number coefficients and constants.8.8.DUse informal arguments to establish facts about the angle sum and exterior angle of triangles, the angles created when parallel lines are cut by a transversal, and the angle-angle criterion for similarity of triangles.
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