Rational points in the plane were defined as points having both coordinated rational. Students solved several problems linking rational points with lines, circles, and other geometric figures. (SD)

Describes how a teacher helped his students develop fractional number sense through a process-oriented activity. Illustrates how a teacher included a worthwhile, interesting and challenging mathematics question in his class to create a good learning environment for children. (Author/MM)

An approach to the teaching of division of fractions is described. Diagrams illustrating the division process are provided. (SD)

Several examples are given to show that the calculator can be a tool to enhance mathematical understanding. Expressing rational numbers (fractions) as decimals provides the content focus. (MNS)