Students review solving and graphing one-variable inequalities in this classic tic-tac-toe format. Learners correctly solve inequality problems to claim a square, working strategically to line up three in a row. Supports TEKS 6.9.A, 6.9.B, and 7.10.B (solve and graph inequalities).
Skills: inequalities, algebraic reasoning, graphing, strategic thinking. Grades 4-9.