The Psychology of Number and Its Applications to Methods of Teaching ArithmeticD. Appleton, 1912 - 309 halaman |
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Halaman 35
... yards , feet . There would be no need for such accuracy . If food could be had without trouble or care , and in sufficiency for everybody , we should never put our berries in quart measures , count : off eggs and oranges by the dozen ...
... yards , feet . There would be no need for such accuracy . If food could be had without trouble or care , and in sufficiency for everybody , we should never put our berries in quart measures , count : off eggs and oranges by the dozen ...
Halaman 46
... yards of calico with that of nine yards of the same quality ; but we can not directly compare - as to cost - lengths of ... yard of silk worth one dollar and sixty cents , we can accurately measure the worth of any quantity of calico in ...
... yards of calico with that of nine yards of the same quality ; but we can not directly compare - as to cost - lengths of ... yard of silk worth one dollar and sixty cents , we can accurately measure the worth of any quantity of calico in ...
Halaman 47
... yard , the pound , the dollar , etc. 3. Measuring with a unit having a definite relation to a quantity of a different kind . Counting and Measuring . - It has been said that number originates from measurement ; that it is a state- ment ...
... yard , the pound , the dollar , etc. 3. Measuring with a unit having a definite relation to a quantity of a different kind . Counting and Measuring . - It has been said that number originates from measurement ; that it is a state- ment ...
Halaman 50
... yards , and then we know it to be so much . We reckon up the pieces of money in the purse and know how much their value is . A man has a pile of lumber ; how " much " has he ? If the boards are of uniform size , he finds the number ...
... yards , and then we know it to be so much . We reckon up the pieces of money in the purse and know how much their value is . A man has a pile of lumber ; how " much " has he ? If the boards are of uniform size , he finds the number ...
Halaman 54
... yards . In order , therefore , to make a closer estimate of the content of the field , we may mark off the length and breadth by pacing , and find that it is a hundred and seventy paces in length and a hundred and thirty paces in ...
... yards . In order , therefore , to make a closer estimate of the content of the field , we may mark off the length and breadth by pacing , and find that it is a hundred and seventy paces in length and a hundred and thirty paces in ...
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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