Dianne Soltess, BA, PBDE, is a curriculum coordinator K–8 for the St. James-Assiniboia School Division in Winnipeg, Manitoba. She has practised in the education field for more than 30 years, teaching grades 1–6 before becoming a math/science coordinator. Dianne has taught undergraduate and post-baccalaureate courses for the Faculty of Education at the University of Manitoba in Winnipeg, Manitoba. She has been involved in math and science curriculum development and document writing for Manitoba Education and has contributed to the Hands-On Math series.