AU - FOSNOT,CATHERINE TWOMEY TI - FIELD TRIPS AND FUND-RAISERS; INTRODUCING FRACTIONS T2 - CONTEXTS FOR LEARNING: MATHEMATICS SN - 0325010236 U1 - 510/FOS PY - 2007/// CY - PORTSMOUTH PB - FIRSTHAND KW - MATHEMATICS KW - FRACTIONS N1 - AN IMPRINT OF HEINEMANN ER -