Monograph, No. 9, Publications, Teaching Ideas 2-D Figures and 3-D Objects December 1, 1987 Monograph No. 9: 56 Ideas – Make It, Take It December 1987 Publication of the Mathematics Council of The Alberta Teachers’ Association Editors William Bober and John Percevault Acknowledgements Robert Michie 1 2-D Figures and 3-D Objects Topic: Geometry