Many modern mathematics textbooks are designed with a flurry of color and graphics. This is in stark contrast to those that are designed in black-and-white and contain few graphics. Which of these formats is the optimal design for mathematics textbooks? Why?
Should the role of the mathematics instructor be the hands-off facilitator who guides students to discover knowledge without interjecting factual input or that of the subject matter expert who directly presents factual information to students? Why? Under what circumstances might the role that you did not select prevail? Why?