Byline: Emily Sachar; 1989-12-01; Newsday and New York Newsday; pages 32
"To use hands-on material takes a great deal of training," says Bruce Vogeli, professor of mathematics instruction at Columbia University's Teachers College. "Many teachers are not good at this sort of approach."
Description:Sidebar to the Emily Sachar eight-part series on her year as an eighth grade public school math teacher in Flatbush, Brooklyn.
Rights: Copyrighted, used with permission from author.