Describes an investigation that focuses on comparing data sets by using data on 37 brands of peanut butter and their quality ratings. (ASK)

Presents activities to demonstrate some of the properties and relationships among the Platonic polyhedra. (ASK)

Presents an activity that uses ratio and proportions to create scale model and life-sized drawings of sharks. (ASK)

Shares experiences with coaching the Sixth-grade Math Olympiad Team in a middle school. Discusses the Olympiad and concludes that this activity is one way of providing mathematical experiences that have an enriching effect on young women and encourage their personal and mathematical growth. (ASK)

Presents an activity carried out by aboriginal students that addresses solving a real-life problem that could be linked to number sequence, graph theory, and combinations. Contains 14 references. (ASK)

Argues that the calculator is fallible as a repository of mathematical knowledge. Suggests that the calculator should be considered not only a labor-saving device but a learning device. Provides examples of the use of calculators as a learning device. Contains 16 references. (ASK)

Presents a sequence of activities for teaching concepts of temperature and change of temperature, and linking these concepts to graphical thinking. Offers measurement and graphing activities that use temperature as a common theme for many grade levels. (ASK)

Explains how number work in elementary school can be extended to prepare students for algebra. Suggests some practical strategies that focus on five aspects of number knowledge essential for algebra learning. (ASK)

Students have difficulty associating equations of vertical and horizontal lines with their respective graphs. Presents an activity using a TI-82 graphing calculator to eliminate this confusion and to strengthen students' understanding. (ASK)

Presents a game designed as a chance-and-data activity that can be used to illustrate the use of probability-tree diagrams and multiplication and addition rules of probability. (ASK)

Features a question that focuses on the use of cryptology to teach modes. (ASK)

Describes a statistics project that focuses on communicating conclusions and understanding implicit assumptions that may affect conclusions based on the information. (Author/ASK)

Presents an activity that uses an inexpensive paper plate and a short length of adding machine tape to help students experience the concept of radian measure. Focuses on radian measurement and connects many geometric concepts regarding the circle. (ASK)

Describes how elementary school teachers demonstrated for themselves and their students how using simple drawings and visualization can improve problem-solving ability. (ASK)

Provides an example of the modeling power of Mathematics, demonstrated in a piece of A-Level student coursework which was undertaken as part of the MEI Structured Mathematics scheme. A system of two masses and two springs oscillating in one dimension is found to be accurately modeled by a system of linear differential equations. (Author/ASK)