TY - BOOK AU - Upitis,Rena AU - Phillips,Eileen AU - Higginson,William TI - Creative mathematics: exploring children's understanding SN - 041516463X U1 - 372.7/U67c PY - 1997/// CY - London; New York PB - Routledge KW - Mathematics KW - Study and teaching (Elementary) N1 - Appendix, bibliography and index at the end ER -