The Psychology of Number and Its Applications to Methods of Teaching ArithmeticD. Appleton, 1912 - 309 halaman |
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Halaman 65
... multiplication , division , etc. , in the method of perceived objects , have to be regarded as * It will be shown in a later chapter that all numerical opera- tions grow out of this fundamental process . physical heaping up , physical ...
... multiplication , division , etc. , in the method of perceived objects , have to be regarded as * It will be shown in a later chapter that all numerical opera- tions grow out of this fundamental process . physical heaping up , physical ...
Halaman 66
... multiplication means increase , etc. — result from conceiving the operations as physical aggregation or separation instead of syn- thesis and analysis of values - mental processes . To multiply $ 10 by one third is absurd if multiplication ...
... multiplication means increase , etc. — result from conceiving the operations as physical aggregation or separation instead of syn- thesis and analysis of values - mental processes . To multiply $ 10 by one third is absurd if multiplication ...
Halaman 70
... multiplying a number or of dividing it into parts . It may be observed that the problems constantly used in our arithmetics , multiply 2 by 4 , divide 8 by 4 , are legitimate enough provided they are properly inter- preted , if not ...
... multiplying a number or of dividing it into parts . It may be observed that the problems constantly used in our arithmetics , multiply 2 by 4 , divide 8 by 4 , are legitimate enough provided they are properly inter- preted , if not ...
Halaman 71
... which the * Hence , again , the absurdity of multiplying pure number or dividing it into parts . We may divide a ratio , but not into parts . magnitude to be measured bears to the unit of refer- DEFINITION OF NUMBER . 71.
... which the * Hence , again , the absurdity of multiplying pure number or dividing it into parts . We may divide a ratio , but not into parts . magnitude to be measured bears to the unit of refer- DEFINITION OF NUMBER . 71.
Halaman 75
... and " times " -numerical value of the measuring unit and numerical value of the measured quantity - gives the psychology of the fun- damental principle in multiplication known as the law of commutation TIMES AND PARTS . 75.
... and " times " -numerical value of the measuring unit and numerical value of the measured quantity - gives the psychology of the fun- damental principle in multiplication known as the law of commutation TIMES AND PARTS . 75.
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Istilah dan frasa umum
abstrac abstract activity addition and subtraction apples applied arithmetic cent centimetre child complete conception conscious constructive counting cube cube root decimal decimetre defined denominator denotes derived unit digits divided divisor dollar educational equal example exercises factor facts feet figures five foot four frac fractions FRIEDRICH FROEBEL fundamental given quantity gives greatest common measure groups hundredths ical idea of number inches interest least common multiple magnitude means measured quantity measuring unit ment mental method metic metre mind minor units minuend multi multiplicand multiplication and division nature numbers expressed numerical ideas numerical operations numerical value objects perfect conception practice primary unit principle psychical psychological pupil pure number quan quotient rational recognition recurring decimal relation remainder result simply square root subtrahend symbols taken teacher teaching tens things tion tiple tity unit of measure unit of reference unity vague yard