Studies in arithmetic
Prefatory note.--I. Second report on the measurement of arithmetic in Indiana city schools. By M. E. Haggerty.--II. Arithmetic tests in rural schools of five Indiana counties. By P. R. Mort.--III. Effects of six weeks' daily drill in addition. By Mary A. Kerr.--IV. An experimental study of the effects of drill in arithmetical processes under varying conditions. By Herman Wimmer.--V. Experiments with Courtis practice pads. By Flora Wilber
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