Patterns of Change - Tables & Graphs Author:Tierney, Cornelia Book 7 of Investigations in Number, Data, and Space curriculum unit. Grade 5. Investigations have been carefully designed to engage students in key mathematical content as they develop number sense, learn to visualize and describe geometric relationships, and collect and analyze real date. As they explore mathematical problems in depth, stude... more »nts work together, use a variety of concrete materials and appropriate technology, and express their mathematical thinking through talking, drawing, and writing.« less