Learning goals: Teacher Facing Comprehend the terms “less than or equal to” and “greater than or equal to” (in spoken and written language) and the symbols ≤ and ≥ (in written language). Recognize that more than one value for a variable makes the same inequality true. Use substitution to determine whether a given value for a variable makes an inequality true, and justify (orally) the answer. Full lesson plan (warm-up, activities, synthesis, cool-down prompt) from 7.6 Expressions, Equations, and Inequalities, Grade 7.