How
do you refute the erroneous claim that all ratios are fractions? This
book goes beyond a simple introduction to ratios, proportions, and
proportional reasoning. It will help broaden and deepen your
mathematical understanding of one of the most challenging topics for
students and teachers to grasp. It will help you engage your students,
anticipate their perplexities, help them avoid pitfalls, and dispel
misconceptions. You will also learn to develop appropriate tasks,
techniques, and tools for assessing your students understanding of the
topic.
