ystery Number Challenge | Number Sense, Early Algebra & Enrichment Turn your math centers into a high-level thinking experience with this strategy-based game where students solve for the unknown using logic, structure, and reasoning — not just computation. This engaging math game blends missing number equations, number sense, and early algebra thinking into a fun, competitive format that students beg to play again. 🎯 What Makes This Different? This is NOT a typical math game. Students must