Discusses simple tools for digitizing objects of interest from image files for treatment in other software such as graph plotters, data-handling software, or graphic calculators. Explores methods using MS Paint, Excel, DigitiseImage and TI Interactive (TII). (Author/NB)

Describes a combinatorics problem involving pizza toppings. Includes three activity sheets. (Author/NB)

Describes a calculus review game based on the popular game show "Wheel of Fortune." (Author/NB)

Revisits and discusses the polar bear problem that was published in the March 1997 issue. The problem concerns a riddle: If you walk one mile south, one mile east, and one mile north, and end up in the same spot as you started, what kind of bear would you see? (ASK)

Features an investigation in which students study the time of each bounce of a ball and the total time that the ball would bounce. (ASK)

Describes a practical classroom activity for sorting lists of numbers to lead to statistical analysis. (Author/ASK)

Presents an activity which focuses on the graph of sine and cosine functions and other properties that can easily be inferred from the graph. (ASK)

Focuses on solutions to a single problem using both induction and deduction by utilizing a TI-82 graphing calculator to illustrate symbolic, numerical, and graphical approaches to the problem. (ASK)

Presents an activity using quilts for many mathematical investigations. Benefits arising from the use of quilts include being useful, visually appealing, steeped in history, and an integral part of many cultures. (ASK)

Offers an instructional approach and an exercise that can serve as a useful introduction to stratified random sampling. (ASK)

Presents two class activities for use with hypothesis testing in which students collect data to test for a difference in the mean number of chocolate chips per cookie between two brands. (Author/ASK)

Presents a mathematics learning cycle that can be use in teaching mathematics and gives two examples of how this learning cycle can be utilized in mathematics classrooms. (ASK)

This article focuses on observational assessment in student learning of mathematical concepts in two sixth grade classrooms. Many of the class activities involved algorithms and open-ended problems in which students worked in collaborative groups, pairs, or individually. (MM)

Combines mathematics, literature, and technology to help students discover exponentials. Includes details of several activities with teaching notes. (MM)

Presents problem situations that support students when discovering the multiplication principle, permutations, combinations, Pascal's triangle, and relationships among those objects in a concrete context. (ASK)