Developed under the National Science Foundation Grant No. ESI-9255251 awarded to the Connecticut Business and Industry Association.The program is built around three themes, one for each year of the theme 1. Data, numbers, and patterns ; theme 2. Shapes in space ; theme 3. Mathematical models. Each year is further divided into level a and b. Level a of each theme deals with the ideas in a basic way and level b deals with more complex ideas.Includes indexes.6 v. : ill. ; 27 cm. + 6 teachers editions.[V.1] Algebra, data, and related topics --[v.2] Geometric concepts in two and three dimensions --[v.3] Advanced algebra, functions and modeling.