In this lesson, students will become problem-solving pros as they learn how to represent and solve math problems with unknowns. By using pictorial models, number lines, and simple equations, they’ll break down tricky word problems into easy-to-see steps. Whether it’s a missing part, total, or start — these strategies will help students “see” the solution clearly! Texas TEKS 3.5A — Determine the unknown whole number in a multiplication or division equation when the unknown is represented by a letter, number, or symbol. Maryland MCCRS (2025) Grade 3 — 3.OA.A.4: Determine the unknown number in a multiplication or division equation relating three whole numbers.

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