Tasks in which students were asked to write sentences concerning the relationships between pairs of probability concepts are presented and discussed. Methods for using writing tasks in the mathematics classroom are suggested. (DT)

The mathematics encountered when building a geodesic dome is analyzed and explained. (DT)

A proof is given concerning the intersection of the medians of a triangle, then the problem is generalized and discussed. (DT)

A general definition of congruence for all geometric figures is developed. (DT)

Functions defined on a unit square are considered, so that a basis may be established to carry over important features to the circular functions. (DT)

A game simulating a probability problem is described. Modifications of the game are discussed. (DT)

Test construction, administration, grading, and reviewing are discussed. (DT)

A game for working on number skills is described. (DT)

These worksheets involve using tangram pieces to create geometric shapes and to determine area relationships. (DT)

A method for using a geoboard to calculate the area of a polygon is described and explained. (DT)

The problem of determining the number of squares having vertices at pegs on geoboard is considered. (DT)

This article formalizes activities using a pool table into a related mathematical system complete with definitions, axioms, and theorems. (DT)

Methods for getting a computer-linked plotter to do a total plot of a relation are discussed. (DT)

A general solution to a problem in linear algebra is provided. (DT)

An algorithm is given for computing the cube root of any real number on a calculator. (DT)