Correction
May 30, 2000
The name of the project director of Core-Plus math ("How a new math program rose to the top," page 15, May 23) is Christian Hirsch.
The two teachers who rewrote the eighth-grade math curriculum at School 2 in Paterson, N.J., ("US school, Japanese method," page 16, May 23) are William Jackson and Beverly Piekema.
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