Described is a physical realization of the Klein four-group which shows the isomorphism of the symmetry group of the rectangle and Piaget's INRC group of logical implications. (MM)

Author relates how disinterested students sent to his art class developed a renewed interest in school as a direct result of their experiences with clay. (NP)

How to use student manipulative materials and the overhead to get student involvement with first graders. (RB)

Notes on jeep trips and card stacks; some work with Multibase Arithmetic Blocks, the complex roots of unity, and a divisibility test. (MM)

A course in Kinematics uses behavioral objectives and problem-solving to speed learning of abstract principles. (GR)

The cardboard-rubber band method of constructing three-dimensional models is described. Preparing the panels, constructing a model, patterns, and ideas for classroom use are detailed. (MNS)

Some activities with geoboards done by pupils aged 10 and 11 are first reported, followed by an analysis and development of extended mathematical ideas. (MNS)

The effectiveness of sound as a reinforcer of manipulative responses was studied with 50 infants four to 12 months old. Noisy toys were manipulated significantly more frequently than quiet ones by infants from six to 10 months old. (Author/SEW)

Field-dependent and independent subjects sorted geometric and verbal material according to category exemplars, forcing active learning, and then recalled the category locations. Field-independent individuals generally performed better on learning and memory tasks with a more active approach. Active versus passive learning styles are discussed.…

The author comments on varying factors she noted as she observed 125 primary schools in 32 countries. Of particular interest to her were approaches in Australia and New Zealand using manipulative materials. Several conclusions pertinent to U.S. schools are drawn. (MNS)

A variety of geoboard activities for use with primary children is suggested. (MK)