00513pamaa2200145 4500 0000039199 20090909090000.0 0748705309 (pbk) 371.1 DEV LC3969.45 DEV 1991 DEVELOP your teaching : a professional development pack for the mathematics - and other - teachers The Mathematical Association. Cheltenham: The Mathematical Association/Stanley Thornes, 1991. 144p.; 28 cm. Teaching The Mathematical Association