Teaching: Inside Numbers

Each year more U.S. parents find that their children's mathematics home work is vastly different from what math was when they went to school. This is the "new math," and the change goes back to 1952, when Mathematician Max Beberman and others became alarmed that math teaching in U.S. schools had not changed essentially in 150 years. In pioneering new methods at the University of Illinois, Beberman sparked a movement that has now influenced about 10% of U.S. elementary schools and 60% of high schools. This year Texas assigned 30,000 teachers to learn new math. This month California decided...

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