2 Weeks of Critical Thinking Math Bell Ringers Logic & Problem-Solving Warm-Ups | Grades 6–12 Looking for meaningful math warm-ups that go beyond basic review? This collection of 10 ready-to-use bell ringers is designed to build logical reasoning, perseverance, and strategic thinking in your math classroom. These puzzles challenge students to organize information, use deduction, and explain their reasoning — making them perfect for strengthening mathematical thinking skills. What’s Included: