School Lab Write and Wipe Fact Family Boards

School Lab Write and Wipe Fact Family Boards

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 front side) and multiplication/division (on reverse). 
Write and wipe surface on both sides of the board. 
development of higher-level algebraic skills such as equation building, the commutative property and problem solving. 
Triangle boards measure 10'H. 
Grades 1+. 
Set of 5.