TY - BOOK AU - Tammadge,Alan AU - Ingram,David AU - Ingram,Mark TI - A parents' guide to school mathematics T2 - School Mathematics Project handbooks SN - 0521211085 U1 - 510.71 23 PY - 1977///. CY - Cambridge: PB - Cambridge University Press, KW - Mathematics KW - Study and teaching KW - Great Britain N1 - Includes index ER -