The Psychology of Number and Its Applications to Methods of Teaching ArithmeticD. Appleton, 1912 - 309 halaman |
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Halaman 49
... ten apples , five books , six horses , etc. , we measure some whole , some how much , by counting its parts , the how many ; but we do not know just how much one of these parts or units is . If we knew the exact size , or weight , or ...
... ten apples , five books , six horses , etc. , we measure some whole , some how much , by counting its parts , the how many ; but we do not know just how much one of these parts or units is . If we knew the exact size , or weight , or ...
Halaman 53
... ten fingers of the hands ? What activity does the dollar stand for ? If the dollar did not represent certain pos- sible activities which it places at our control , would it be a measure of value ? Why may a child value a bright penny ...
... ten fingers of the hands ? What activity does the dollar stand for ? If the dollar did not represent certain pos- sible activities which it places at our control , would it be a measure of value ? Why may a child value a bright penny ...
Halaman 69
... ten - 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 ...
... ten - 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 ...
Halaman 73
... ten of them - i . e . , the numerical value is ten ; we have now a definite idea both of the measuring unit and of the times it is repeated , and so have reached a definite idea of the amount of money in the roll of bills . We began ...
... ten of them - i . e . , the numerical value is ten ; we have now a definite idea both of the measuring unit and of the times it is repeated , and so have reached a definite idea of the amount of money in the roll of bills . We began ...
Halaman 74
... ten times — make up , are , the one sum - i . e . , the sum taken one time . Further , since the unit of measure is ... ten times is identical with ten of these units taken once . We are conscious , also , that any part of this five ...
... ten times — make up , are , the one sum - i . e . , the sum taken one time . Further , since the unit of measure is ... ten times is identical with ten of these units taken once . We are conscious , also , that any part of this five ...
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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