An activity unit is described that helps children recognize the inside and outside of closed curves. (MP)

One method is described for supplementing the assignment of theorems to be proved, involving student grading of purported theorems with alleged proofs for correctness and clarity. (MN)

This module was prepared to "metricate" approximately 3800 teachers in Western Kentucky. A brief history of measurement systems is followed by sections concerning length, mass (weight), temperature, and area and volume measurement. Each section contains a list of the common metric units used and their relationship as well as activities…

The authors propose that electronic calculators can be perceived as function generators rather than mere computational aids and can be used to investigate function concepts such as domain, range, composition, inverse, correspondence and so on. (MN)

Two teaching aids, on space flight and on natural selection and evolution of beaks in birds, are described. A simulated space instrument plaen was made and a space launch and other functions carried out. A simple experiment with match sticks was used to teach natural selection. (PS)

A classroom exercise which encourages experimentation including formulation and testing of conjectures about number relationships involving factors and multiples is illustrated. (MN)

The purpose of this publication is to give an overview of some specific schemes that have been used successfully by teachers throughout New York State to strengthen mathematics skills. The various components of this publication offer ideas that have been successful with primary, intermediate, and secondary students. Ideas included: (1) how to make…

Support of the need for more emphasis on mental arithmetic in the classroom is given. Classroom methods and activities for developing skill in mental arithmetic are included. (MN)

Fifty detailed examples illustrating the uses of a wide range of supplementary printed materials are presented. Each example specifies the material, the function, the technique, and the recommended grade levels. (LS)