FOSNOT, CATHERINE TWOMEY FIELD TRIPS AND FUND-RAISERS; INTRODUCING FRACTIONS - FIRST EDITION - PORTSMOUTH FIRSTHAND 2007 - 64P. - CONTEXTS FOR LEARNING: MATHEMATICS . AN IMPRINT OF HEINEMANN ISBN: 0325010236 Subjects--Topical Terms: MATHEMATICSFRACTIONS Dewey Class. No.: 510/FOS