Framed models come with a limited lifetime warranty. They are made of high density polyethylene which makes them virtually unbreakable. The galvanized steel rods provide a sturdy housing for the wooden beads.
Frameless models are made of galvanized steel, wooden beads, and rubber bumpers.
MathRack products are proudly manufactured in the USA.
"MathRacks support children to move away from counting by ones, towards the use of strategies like doubles, addition, subtraction and making tens---a great way to help automatize the basic facts!"
Catherine Fosnot is a Professor of Education at the College of New York and Director of ‘Mathematics in the City’. She has received many awards for her excellence in teaching and is author of Young Mathematicians at Work and Contexts for Learning Mathematics
