(Grades 2-6). A complete guide to teaching with base ten blocks, this full-color resource book includes lessons, blackline masters with answers, hundreds of illustrations, challenge activities and ample suggestions for class discussion. Use base ten blocks for recognizing place value, equivalence, comparing, combining, decimals and number bases. 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.