This paper reports on a case-study design experiment in the domain of fraction as number-measure. We designed and implemented a set of exploratory tasks concerning comparison and ordering of fractions as well as operations with fractions. Two groups of 12-year-old students worked collaboratively using paper and pencil as well as a specially…

It is common to find students believing that they have a high skill level in computer use yet this does not normally include proficiency in the use of computer packages for data presentation. This exercise develops team work in data collection, requires the production of a simple spreadsheet, and the exporting of the data from that into one or…

Describes a study of undergraduates that compared navigational study strategies, the extent of lesson coverage, and attitudes about learning with three types of hypermedia lessons to examine how learners use different types of graphical browsers in a learner-controlled hypertext system to construct personalized representations of the content…