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PAST INVESTIGATIONS RELATING TO METHODS OF SUBTRACTION
METHOD OF PROCEDURE IN THE PRESENT INVESTIGATION
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100 subtraction facts 2D and Test abacus accidental errors accuracy added additive variety Additive versus Algorism Austrian method Benj borrow and repay Chicago Colburn 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 experiment explained extra operation favor given grade increased the subtrahend INTELLIGENCE QUOTIENTS James Dodson Journal Karpinski L. C. Karpinski larger number Maximus Planudes means mental age method in whole methods of subtraction metic minuend figure minutes mixed number subtraction number of errors numbers and denominate phases of subtraction probable error procedure pupils rationalization Sanborn says schools shillings shows standard deviations Stone subtraction technique subtrahend figure Table XII take-away method taught Teachers College teaching term Test 2D three methods tions method traction trian units whole numbers word borrow writer