A complete guide to teaching with pattern blocks, this full-color teacher resource book includes lessons, blackline masters with answers, hundreds of illustrations, challenge activities and ample suggestions for class discussion. Use pattern blocks for early patterns, spatial sense, fractions, basic geometry, symmetry and number operations. Using the DTES (discover, talk, explain and use symbols) method, activities are presented in a clear step-by-step format. Activities are correlated to specific NCTM standards. 96 pages. Grades K-5