First, students will learn how to test solutions to one-variable equations.

Testing solutions to equations by Khan Academy

Testing solutions to equations by Khan Academy

Next, students will learn how to test solutions to one-variable inequalities.

Testing solutions to inequalities by Khan Academy

Do these Khan Academy exercises:

Conclude the lesson by giving your students this challenge.

Conclude by leading this investigation:

Fractured Fractions – equivalent

by MathPickle

6.EE.B.5: Understand solving an equation or inequality as a process of answering a question: which values from a specified set, if any, make the equation or inequality true? Use substitution to determine whether a given number in a specified set makes an equation or inequality true.