The Psychology of Number and Its Applications to Methods of Teaching ArithmeticD. Appleton, 1912 - 309 halaman |
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Halaman 47
... amount of copper which under certain conditions will displace such and such an amount of water . Only in some such way as this is our unit ultimately defined , and only when the unit of measure is itself perfectly measured can there be ...
... amount of copper which under certain conditions will displace such and such an amount of water . Only in some such way as this is our unit ultimately defined , and only when the unit of measure is itself perfectly measured can there be ...
Halaman 48
... amounts to as a library ; when we count the days of the year , we measure the time value of the year ; when we count the children in a class , we measure the class as a whole — it is a large or a small class , etc. When we count stamens ...
... amounts to as a library ; when we count the days of the year , we measure the time value of the year ; when we count the children in a class , we measure the class as a whole — it is a large or a small class , etc. When we count stamens ...
Halaman 50
... amount of money in a purse , the amount of land in a field , the amount of pressure it takes to move an obsta- cle , etc. This " much , " or amount , is vague and unde- fined till measured ; it is measured by counting it off into so ...
... amount of money in a purse , the amount of land in a field , the amount of pressure it takes to move an obsta- cle , etc. This " much , " or amount , is vague and unde- fined till measured ; it is measured by counting it off into so ...
Halaman 53
... amount of movement . This activity , limited by the boundaries of the field , constitutes the original vague muchness - the quantity to be measured - and therefore determines all succeeding processes . Then analysis comes in , the ...
... amount of movement . This activity , limited by the boundaries of the field , constitutes the original vague muchness - the quantity to be measured - and therefore determines all succeeding processes . Then analysis comes in , the ...
Halaman 57
... amount of space occupied , is this common element . Hence , to define the process in terms of just so many cubic feet required is economical ; to describe it in terms of so many stones would be impos- sible unless one had first found ...
... amount of space occupied , is this common element . Hence , to define the process in terms of just so many cubic feet required is economical ; to describe it in terms of so many stones would be impos- sible unless one had first found ...
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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