Important demographic trends in the United States include 1) the population's changing age profile, 2) the tendency for young people to remain single longer, 3) the widening mortality differential between the sexes, and 4) reversal of migration trends. Available from: Elsevier Scientific Publishing Company, Box 211, Amsterdam, the Netherlands,…

Presents an activity that illustrates how data stored in a matrix or list can be plotted as a graph in the parameter plotting mode on graphic calculators. (ASK)

This article describes the organization and results of the 1990 New Zealand Children's Census. This census, which preceded a National Census, provided a powerful tool for raising statistical awareness nationwide. (Author)

Offers problems involving baseball to give students the opportunity to utilize the technology of a graphing calculator such as the TI-82 to work on the area of statistics. Gives step-by-step instructions as well as explanations. (AIM)

Cooperative groups were given transparencies of eight regular inscribed polygons and overlays of corresponding circumscribed polygons and were asked to find the perimeters and ratios of perimeter to diameter. Transparencies give students a graphic illustration of limits. Includes reproducible worksheet. (NI)

Reprints three items that appeared in the media that were developed into mathematical problems. Items include a commentary called Junk the Penny, a sale advertisement for a department store, and a sports column with statistics. Eighteen questions are provided along with answers. A graphing calculator is suggested for some problems. (PVD)

Reprints a corrected version of an article originally published in the volume 43, number 1 issue of this journal. Presents results of a national survey of technical communicators and technical communication teachers assessing the ethics of seven document design cases involving manipulation of typography, illustrations, and photographs. Offers…

Explains how the Web can be modeled as a mathematical graph and analyzes the graph structures of three national university publicly indexable Web sites from Australia, New Zealand, and the United Kingdom. Topics include commercial search engines and academic Web link research; method-analysis environment and data sets; and power laws. (LRW)

Advocates using graphs with young children to express relationships in a visual form. Describes how to teach children about graphs to encourage them to develop the ability to quantify data and the confidence to use this tool for science learning. (NB)

Takes the reader through production steps of creating an "infographic" for a high school newspaper. Give six lessons for doing infographics: (1) always accept free help; (2) if it sounds interesting, it probably is; (3) if an idea works, use it; (4) know thoroughly the "ins and outs" of the program used; (5) different is good, interesting is…

Presents responses to a problem that appeared in the May 2000 issue. The problem was to determine different ways to divide 8 cookies between 3 people. Includes student work from grades 1, 3, and 5. (KHR)

Explores the influence of student teachers' subject matter knowledge on the process of pedagogical reasoning and the influence of images of mathematics, teaching, and learning on student teachers' organization of subject matter. Four student teachers differed in subject-matter knowledge both in aspects of concepts they emphasized and in the use of…

Using movie scenes about being trapped in quicksand as a starting point, this inquiry-oriented lesson engages students in a novel study of density. Students collect and graph data collected on a variety of objects placed in a mixture of sand and water. From their findings, students consider misconceptions about quicksand and its real dangers. (DLH)

This paper reviews the role of the item in test construction, and suggests some new methods of item analysis. A look at dynamic, graphical item analysis is provided that uses the advantages of modern, high-speed, highly interactive computing. Several illustrations are provided. (Author/TJH)

Describes studies designed to examine the instrumentation used to assess both graphing abilities and the impact of microcomputer-based laboratories (MBL) on students' graphing abilities. Results suggest that numerous disparities between the results of multiple-choice and free response instruments. The analysis also revealed that the impact of MBL…