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Algebra 1 lesson plan: Linear equations & inequalities

Topic: Solving linear equations and inequalities in one variable (A-REI.B.3). Adjust the settings, then copy the prompt.

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Planning notes for this lesson

Prerequisite skills to check: operations with integers and fractions; combining like terms and the distributive property (7.EE.A.1); solving two-step equations and inequalities (7.EE.B.4).

Key vocabulary: variable, coefficient, inverse operations, distributive property, inequality, solution set, literal equation.

Warm-up idea: Show two phone plans, each with a monthly fee and a per-gigabyte charge, and ask when they cost the same.

Exit ticket idea: Students solve one multi-step equation and one inequality, graph the inequality, and explain why the sign did or did not flip.

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