Flexitable Addition & Subtraction, Grades 1-4 (Set of 10)
Make the addition/subtraction and multiplication/division tables fun and easy to learn. These ingenious square grids (7-3/4Ó / 20cm) have vertical and horizontal channels molded into soft, pliable plastic. The material and design of these grids allow kids to continually fold and unfold again and again to find the correct solutions to their math problems. Includes 4 page instruction guide. Colors: Green & Orange.
