While many elementary school teachers hold to the theory that hands-on math facilitates learning, secondary teachers become concerned when students cannot master abstractions, especially along more than one dimension.
While some practitioners enjoy heated debates between opposing viewpoints (e.g., whole language versus phonics), we take the view that sound teaching can draw upon multiple methods.
These sites’ lessons can be easily coordinated with hands-on materials, because the graphicality and friendliness suit such a blend.
