Examines issues which emerged during the development of estimation materials produced by the Technology and Basic Skills-Mathematics (TABS) project. Special attention is given to the use of feedback in computer-based instruction on estimation. (JN)

Describes how Logo has been used to introduce primary children to mathematical concepts often considered to be too difficult for them. Outlines how Logo has been used to introduce the estimation of distance, the estimation of angles, symmetry, rules of precedence, the concepts of random, and the use of variables. (TW)

Lists criteria for selecting quality computer software. Describes tutorial, drill and practice, test scoring, and simulations as innovative uses of microcomputers. Establishes a need for the use of computers and courseware as learning opportunities. Defines significant vocabulary terms and concepts to promote literacy. (RT)

Reported is an approach to teaching the use of Macintosh computers to sixth, seventh, and eighth grade students within the context of a simplified model of scientific research including proposal, data collection and analyses, and presentation of findings. Word processing, graphing, statistical, painting, and poster software were sequentially…