BruecknerLeo J., and GrossnickleFoster E., How to Make Arithmetic Meaningful.Chicago: John C. Winston Co., 1947, pp. v–513.
2.
BuckinghamBurdett R., Elementary Arithmetic: Its Meaning and Practice.New York: Ginn and Company, 1947, pp. viii–744.
3.
HillEdwin H., A Study of Preferences and Performance of Third, Fourth, Fifth, and Sixth Grade Children on Two Types of Division Problems. Unpublished Doctoral Dissertation, State University of Iowa, 1952.
4.
SpitzerHerbert F., and DunfeeMaxine, “Learning the Harder Multiplication and Division Facts in a Program Emphasizing Understanding,”Mathematics Teacher, 34:364–365 (August, 1941).
5.
SpitzerHerbert F., The Teaching of Arithmetic. New York: Ginn and Company, 1948, pp. iii–346.
6.
StokesC. Newton, Teaching the Meanings of Arithmetic. New York: D. Appleton-Century-Crofts Co., 1951, pp. xiv–531.
7.
SoutherlandMary E., One Step Problem Patterns and Their Relation to Problem Solving in Arithmetic, Contributions to Education, No. 925. New York: Bureau of Publications, Teachers College, Columbia University, 1947, pp. 170.
