Make review day fun and competitive with this Proportions and Percents Tic-Tac-Toe Challenge! Students work through 6 increasingly difficult tic-tac-toe boards filled with engaging real-world math problems covering proportions, unit rates, percent increase/decrease, conversions, simple and compound interest, sales tax, discounts, and financial literacy skills. Students solve problems to claim spaces and race to get three in a row, making this the perfect low-prep review game for partner work, m