Lakeshore Explain Your Reasoning Math Prompts Grade 3 These math prompt cards encourage students to go beyond simply finding an answer by explaining how and why their strategies work. Great for developing mathematical reasoning, problem-solving, discussion, and written responses. The set covers five Grade 3 math areas: Operations & Algebraic Thinking Number & Operations in Base Ten Number & Operations – Fractions Measurement & Data Geometry Each prompt features a problem or thought-provoking question designed to encourage students to apply strategies and explain their reasoning. The reverse sides provide additional discussion support. Keywords: Lakeshore Learning, grade 3 math, third grade math, math task cards, math prompts, explain your reasoning, fractions, geometry, measurement, base ten, math centers, teacher supplies, classroom resources, homeschool.