An argument is made against the use of the metric system as the sole system of measurement since computers use a hexadecimal system. (MP)

Considerations of the history of similar techniques and the structure of the method itself are used to discuss this question. (MP)

A discussion is given of a method of finger reckoning in which the numbers one through ten are represented by one's fingers. (MP)

A method of multiplying using fingers is described and an explanation given. The method is then generalized to other number bases. (MP)

A method is described for teaching secondary school mathematics students about the harmonic mean. (DT)

A method is discussed for justifying to students the fact that the product of two negative integers is positive. (DT)

A method is given for generalizing Pascal's triangle to three dimensions. (DT)

Investigates possible relations between the methods of quantification available to children and their performance on certain tasks requiring an understanding of number invariance. (Author/RK)

Cardinal-ordinal abilities and attentional preferences of kindergarten nonconservers, kindergarten conservers, and third grade conservers of number were compared by employing standarized versions of Piagetian cardinal-ordinal tasks and a triad preference task. (Author/JMB)

Investigates the extent to which children's number sense and novel problem-solving skills govern their problem-posing abilities in routine and nonroutine situations. Children who participated in the program appeared to show substantial developments in each of the program components in contrast to those who did not participate. Contains 66…

Discusses the paradigms in American Sign Language (ASL) resulting from a process called "numeral incorporation" and others in which numeral handshapes alternate to express different numerical values. Concludes that not only are the signs in the "decade" paradigm fixed units in ASL grammar, but so are all the other examples of numeral…

Examines 199 middle school students' understanding of percent, focusing on number sense. Reports that students performed better interpreting a quantity expressed as a percent given a pictorial continuous region than when a pictorial discrete set of circles was given. Students had difficulty interpreting a quantity expressed as a percent of a…

Two experiments compared 6-month-olds' numerosity discrimination performance on both large numbers and small numbers with both total filled area and total contour length controlled. Results showed that infants succeeded in discriminating 4 from 8 elements, but failed to discriminate 2 from 4 elements, providing evidence for the existence of two…

Presents activities that focus on number sense. (KHR)

Thirty students (ages 7 to 18) with moderate intellectual disabilities were interviewed individually and their counting skills and number concepts assessed. Results showed a significant difference among the three age groups on all number skills assessed, and learning patterns were similar to those of students with normal intelligence.…