The Psychology of Number and Its Applications to Methods of Teaching Arithmetic |
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Halaman 46
We can directly compare the cost of three yards of calico with that of nine yards of
the same quality ; but we can not directly compare — as to cost - lengths of calico
of different qualities , or a length of calico with one of silk . But if we know that ...
We can directly compare the cost of three yards of calico with that of nine yards of
the same quality ; but we can not directly compare — as to cost - lengths of calico
of different qualities , or a length of calico with one of silk . But if we know that ...
Halaman 48
We count chairs , beds , splints , feet , eyes , children , stamens , etc. , simply to
get their sum total , the how many ; we measure distance , weight , bulk , price ,
cost , etc. , to see how much there is . Some writers say that these “ two kinds ” of
...
We count chairs , beds , splints , feet , eyes , children , stamens , etc. , simply to
get their sum total , the how many ; we measure distance , weight , bulk , price ,
cost , etc. , to see how much there is . Some writers say that these “ two kinds ” of
...
Halaman 51
The house has been erected at a certain cost ; the counting off and valuing of the
units which enter into these different factors , is the only way to discover that cost .
? CHAPTER IV . THE ORIGIN OF NUMBER : SUMMARY AND THE ORIGIN OF ...
The house has been erected at a certain cost ; the counting off and valuing of the
units which enter into these different factors , is the only way to discover that cost .
? CHAPTER IV . THE ORIGIN OF NUMBER : SUMMARY AND THE ORIGIN OF ...
Halaman 56
Or , in addition to the mere size of the field , it may be necessary to take into
account not only the value of the crop it will raise , but also the cost of tilling it .
Here there must be a much more complete adjustment of activities . The analysis
...
Or , in addition to the mere size of the field , it may be necessary to take into
account not only the value of the crop it will raise , but also the cost of tilling it .
Here there must be a much more complete adjustment of activities . The analysis
...
Halaman 69
Examples of numerical value are : the yard of cloth costs seventeen cents ; the
box will hold thirty - six cubic inches ; the purse contains eight ten - dollar pieces .
The seventeen , thirty - six , eight represent just so many units of measurement ...
Examples of numerical value are : the yard of cloth costs seventeen cents ; the
box will hold thirty - six cubic inches ; the purse contains eight ten - dollar pieces .
The seventeen , thirty - six , eight represent just so many units of measurement ...
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Istilah dan frasa umum
abstract activity actual addition already amount applied arithmetic attention become begin carry cent child clear common complete conception conscious constructive cost counting decimal defined definite denotes digits direct divided division divisor dollar educational equal exact example exercises expressed factor facts feet figures five foot four fractions fundamental given gives groups hundred idea inches interest involved kind learned least less magnitude means meas measured quantity measuring unit mental method mind minor multiplicand multiplication nature necessary objects once operations original practice present primary principle problem psychological pupil rational reason recognition reference relation remainder repeated represents result root seen sense separate simply square stage subtraction taken teacher teaching tens things third tion true unit of measure unity ured vague whole yard