The Relative Merits of Three Methods of Subtraction: An Experimental Comparison of the Decomposition Method of Subtraction with the Equal Additions Method and the Austrian Method |
Contents
CHAPTER | 1 |
10 | 25 |
METHOD OF PROCEDURE IN THE PRESENT INVESTIGATION | 41 |
Copyright | |
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100 subtraction facts 2D and Test abacus accuracy added additive variety Additive versus Arithmetick Austrian method borrow and repay Boston Chicago Colburn compared comparison complementary method computation counters critical ratio David Eugene David Eugene Smith decomposition method decomposition technique denominate numbers difference equal additions method equal additions technique errors in Test explained extra operation favor given grade Group E+A increased the subtrahend INTELLIGENCE QUOTIENTS James Dodson Journal of Educational L. C. Karpinski larger number London Maximus Planudes means mental age method in whole methods of subtraction metic minuend figure mixed number subtraction number of errors numbers and denominate Osburn phases of subtraction probable error procedure pupils rationalization says schools shillings shows standard deviations Stone subtraction technique subtrahend figure Table XII take-away method taught Teachers College teaching Test 2D three methods tions method traction trian units whole numbers word borrow writer York