The Psychology of Number and Its Applications to Methods of Teaching ArithmeticD. Appleton, 1912 - 309 halaman |
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Halaman 69
... dollar pieces . The seventeen , thirty - six , eight represent just so many units of measurement , the cent , the cubic inch , the ten - dollar piece ; they express the numerical values of the quantities ; they are pure num- bers , the ...
... dollar pieces . The seventeen , thirty - six , eight represent just so many units of measurement , the cent , the cubic inch , the ten - dollar piece ; they express the numerical values of the quantities ; they are pure num- bers , the ...
Halaman 73
... dollar bills . We take five dollars , say , as a convenient measuring unit ; we separate our undefined whole into groups of five dollars each ; we count these groups and find that there are ten of them - i . e . , the numerical value is ...
... dollar bills . We take five dollars , say , as a convenient measuring unit ; we separate our undefined whole into groups of five dollars each ; we count these groups and find that there are ten of them - i . e . , the numerical value is ...
Halaman 74
... dollar , the same psychological explanation applies to the measurement of the quantity by means of this smaller unit . The five - dollar unit taken ten times is identical with ten of these units taken once . We are conscious , also ...
... dollar , the same psychological explanation applies to the measurement of the quantity by means of this smaller unit . The five - dollar unit taken ten times is identical with ten of these units taken once . We are conscious , also ...
Halaman 76
... dollars times " -- which is perfectly true . Nevertheless , the ob- jection seems to be founded on a misconception of the psychical nature of number and the psychological basis of the law of commutation . Psychologically speaking , can ...
... dollars times " -- which is perfectly true . Nevertheless , the ob- jection seems to be founded on a misconception of the psychical nature of number and the psychological basis of the law of commutation . Psychologically speaking , can ...
Halaman 78
... dollar ; and so we conceive the $ 3 as denoting 3 parts of 4 units ( quarter dollars ) each , and multiply 4 by 3 ; or , as denoting 4 parts of 3 units each , and multiply 3 by 4 . EDUCATIONAL APPLICATIONS . 1. Every numerical operation ...
... dollar ; and so we conceive the $ 3 as denoting 3 parts of 4 units ( quarter dollars ) each , and multiply 4 by 3 ; or , as denoting 4 parts of 3 units each , and multiply 3 by 4 . EDUCATIONAL APPLICATIONS . 1. Every numerical operation ...
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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