In this article, the author describes what his students are doing following the ATM Easter conference in Telford, where he was inspired by a workshop entitled "Vitamin D Maths," conducted by Jocelyn D'Arcy. He describes an activity that allows his Year 11 students to walk through angles drawn on the floors. This topic will now literally…

Twenty-five games, suitable for use at various points in the elementary mathematics classroom, are described. (SD)

Activities involving the drawing of kites and figures related to kites are described. (SD)

Rule learning in mathematics among elementary school children is described. Samples of dialogue between experimenters and children are presented, and the concept of rule learning is described in relation to two subgroups, gifted children and "regular" ones. (MP)

Aspects of the instruction of trigonometry in secondary school mathematics are reviewed. Portions of this document cover basic introductions, a student-developed theorem, the cosine rule, inverse functions, and a sample outdoor activity. (MP)

In workshops for inservice teachers, volunteers learn concepts through the activities they will later use in their classrooms. In follow-up sessions the success of activities with young children is discussed. The activity described here involves attribute blocks. (SD)

In workshops for teachers the author provides each participant with five sticks and challenges them to create a variety of configurations. In the process the teachers hypothesize and test a number of geometric notions. (SD)

Allowing students to use a polystyrene cutter to fashion their own three-dimensional models is suggested as a means of allowing individuals to experience problems and develop ideas related to solid geometry. A list of ideas that can lead to mathematical discovery is provided. (MP)

The author describes a dialogue with his three-year-old daughter about numbers. He discusses aspects of mathematics education and how his views about how students acquire mathematical knowledge have changed. (MP)