Looking for an engaging, low-prep game that builds number sense and strategic thinking? The 15 Game is the perfect early finisher activity for your classroom! In this fun two-player game, students take turns choosing numbers 1–9 to create sums of 15. It's simple to teach, highly strategic, and keeps students engaged while reinforcing mental math skills. What's Included:✓ Complete game rules and objective ✓ Printable record sheet to track rounds and key moves ✓ Number combinations analysis task