Includes bibliographical references (p. 137-139) and index.
1. The mathematical tasks framework. Analyzing mathematics instructional tasks -- Using cognitively complex tasks in the classroom -- Learning from cases. 2. The cases. Linking fractions, decimals, and percents using an area model -- Multiplying fractions with pattern blocks -- Giving meaning to measures of central tendency -- Using algebra tiles to multiply monomials and binomials -- Organizing data -- Solving problems.