A graphical representation is used to construct a line one centimetre in length. (MP)

An alternative approach is described for presenting the idea of the derivative through the use of chords of a graph. (MP)

Argues that the aggregate good is a powerful pedagogical device in economics. Uses a simple graphical analysis that demonstrates to the student the concept of an aggregate good, that preferences can indeed be collapsed from many goods to two. (DB)

An activity which stresses on identifying features of functions like the rate of change, intercepts, local and global behavior, zeros and asymptotes is designed to increase the level of understanding of the students and also to clear any doubts that they might have. The students are then asked to make a summary of what was discussed in the class,…

Inscriptions are central to the practice of science. Previous studies showed, however, that preservice teachers even those with undergraduate degrees in science, generally do not spontaneously produce inscriptions that economically summarize large amounts of data. This study was designed to investigate the production of inscription while a group…

Research findings show the difficulties younger students have in working with graphs. Higher mental operations are necessary for a skilled interpretation of abstract representations. We suggest connecting a concrete representation of the modeled problem with the related graph. The idea is to illustrate essential mental operations externally. This…

We describe a computer tutorial that introduces the concept of the steady state in enzyme kinetics. The tutorial allows students to produce graphs of the concentrations of free enzyme, enzyme-substrate complex, and product versus time in order to learn about the approach to steady state. By using a range of substrate concentrations and rate…

Activities described for using zucchini to teach measurement include: guessing, graphing, and measuring length and weight; comparing sizes and shapes; and puzzles. (MP)

Graphing is an integrative skill because you can use it whether you are teaching measurement or geometry or number theory or most any other topic. It is also important as a mode of communication which can simplify a large amount of information. Here are five steps for effective presentation of graphing to young students. (Author/RK)

Suggests some aspects of the school environment which can initiate graphing experiences as well as present some guidelines for graphing. (Author/RK)

Considering a fraction as directions for graphing a line through the origin of the x-y plane is suggested. Strengths and weaknesses of the idea are also discussed. (MNS)

This paper describes "The Migration Method," a new technique for graphing a quadratic function (one of the major foundations of undergraduate mathematics) and finding its zeroes. The method promotes a higher degree of conceptualization, reinforces the concept of symmetry, encourages mental visualization, and strengthens the ability to…

A rationale for considering the implications of future trends and anticipating the future,'' and specific techniques for teachers. (Editor/SP)