Compared the computational performance of two groups of arithmetic teachers: one group tested in 1930 and the other in 1973. Results indicated that the 1973 teachers performed significantly better than the 1930 teachers. (JMB)

Addition and subtraction of integers can be approached through the use of chips of two colors. (SD)

Games and laboratory experiences which can be used to help build basic skills are described. (SD)

An approach to the teaching of division of fractions is described. Diagrams illustrating the division process are provided. (SD)

The development of numeracy is discussed as being an important aspect of the learning process. (MP)

Magic squares are used to generate number games similar to tic-tac-toe. Skills that are reinforced include addition of negative numbers and addition and multiplication of fractions. (MP)

Groups of eight- and ten-year-olds and adults visually searched for the presence of a target letter or number in fields of items that were either of the same or a different category (letter or number) than the target. (JMB)

Topics covered include alternate methods for finding LCM and GCF, imaginative word problems, and a primes-breakdown method of factoring quadratics. (MP)

Several problems are identified: place values, time, even numbers, fractional parts, and temperature. Specific teaching suggestions are discussed. (MP)

One student's project involved a contest of guessing how many peanuts were in a 100-pound bag. His teacher briefly reflects on the wide range of guesses and students' concept of large numbers. (MP)

Variations on rummy are presented as a means of providing practice for related mathematical concepts at both the pictorial and abstract levels. Rules are outlined and eight examples of card topics are shown. (MP)

Eight classroom problems dealing with number concepts are presented and accompanied by suggestions for teacher use. (MP)

Suggests techniques for teaching students about Arabic contributions to arithmetic and to the English language. Students are involved in figuring out English derivations of 12 Arabic words and in deciphering Arabic symbols. (Author/DB)

This paper is a translation of a report on two Swedish investigations concerning children's lack of understanding of the quantitative value of numbers (specifically, decimals and fractions). (MN)