10 MathRack Frameless Demo Models with connecting rings and 2 large hook magnets.
The ADD-A-ROW provides endless opportunities for learning because of its ability to represent so many levels of understanding of number sense as well as addition, subtraction, multiplication, and division.
Size: Approx 1 x 1 5/8 x 22 ¼ x 20
Price: $65.00
"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