Base with hook (pair)
size: 2 7/8" Diameter
price: $10.65
Base with hook (pair)
Size: 1 1/4" Diameter
Price: $5.15
Connecting Rings (Pkg 18)
Size: 2 7/8"
Price: $3.55
Rubber Bumpers (pair)
Size depends on Model. Specify model when ordering.
Price: $.50 (Specify quantity when ordering)
"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