The use of unipacs, activity units each covering one basic concept in second-year algebra and containing behavioral objectives, learning activities, and student self-tests, is described; details of class organization, scheduling, and evaluation of the course are given. (DT)

The underlying philosophies and the teaching methods used in several Israeli mathematics programs for disadvantaged students are explained and described; a study that used a psychological approach concerned with the rehabilitation of the impaired intelligence of disadvantaged children also is discussed. (DT)

Details are given of a method used by a student in discovering the relationships between the area under the sine curve and the unit circle. Two computer programs for the required calculations are included. (DT)

The problem of maintaining a reasonably unified standard of mathematics achievement throughout the state of Tasmania is discussed. Various test construction techniques are described and analyzed. (DT)

Described is the psychology of learning followed at the Decroly School in Brussels, Belgium. (MM)

This column discusses problems involving a paper folding game for bicimals, the sum of exterior angles of polygons and polyhedra, solving quadratic equations in finite arithmetics, nomograms, and cube folding patterns. (DT)