Methods for determining the radius of an atom are described. Unlike a previous article which approached the problem from an elementary perspective, this article examines a progression of increasingly sophisticated determinations. (CS)

Two methods are considered for finding the logarithm of a number using elementary arithmetic. (DT)

The checking of subtraction and division problems is discussed. (DT)

Presents a position intended to stimulate prompt and vigorous action to promote interest in junior high school science teacher preparation programs based on several cited factors which have seemingly contributed to lack of concern for such. Data from a survey of junior high school science teachers is summarized and comparisons made. (EB)

Responding to publicity about declining computation scores on standardized tests, the author conducted a study comparing October with May testing and timed with untimed tests. He concluded that students today are able to compute but do so more slowly than earlier students and earn higher scores on applications and concepts. (SD)

A comparison is made between a learning situation held in an outdoor environment as opposed to one in the indoor classroom. Differences in achievement, critical thinking and preference for the environment were sought. The methodology used, the hypotheses tested and tabulated data are presented. (EB)

Activities in which students make and prove conjectures and devise their own geometric axiom systems are discussed. (SD)

The mathematics curriculum of the 18th and 19th centuries is discussed with particular emphasis on arithmetic and algebra. Comparisons with current practices are made. Sample pages from several early textbooks are reproduced. (SD)

It was hypothesized that elementary school science textbooks do not impart a clear image of the nature of science and the activities of scientists, that they do not consider the explorability of natural phenomena and answerability of science questions. Results of a survey indicate that elementary school texts do present an aberrated view of…

The authors argue that a unit on logic should be included in the mathematics curriculum of preservice elementary teachers. In support of their argument they cite recommendations of the Committee on the Undergraduate Program in Mathematics (CUPM) and research literature. The logical content of current textbooks is surveyed. (SD)

Examples of activities involving geometric construction are suggested for discovery-oriented instruction. (SD)

Provides a series of concepts which may aid in the formation of behavioral objectives and learning experiences for elementary school children. Coping behaviors, decision making, life style, self-development, educational awareness, attitudes and appreciations, and career information are considered integral parts of a career education program with…

Mathematical applications are involved in many activities which are included in career awareness programs in elementary schools. (SD)