Use these math-fact triangles again and again! Familiar triangle format offers a powerful method for building number fact fluency and teaching fact families. Focuses on both addition/subtraction (on the front side) and multiplication/division (on reverse). Supports the development of higher-level algebraic skills such as equation building, the commutative property, and problem-solving. Set of 5. Write & wipe surface on both sides of the board.

Triangle boards measure 10" H.