Arithmetic Teacher (1993-1994) Vol. 41, No. 2
VOlUME 41 • NUMBER 2 • OCTOBER 1993 THE REPORT FROM TEACHERS IS IN ... ADDISON-WESLEY GETS ALL ;.t.'S! ADDISON-WESLEY PUBLISHING COMPANY 2725 Sand HiU Road. Menlo Park, CA 94025 415-854-0300 CONTENTS On the cover: How close is close enough? These students ore polishing their estimation skills with familiar monipulotive
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