## The Psychology of Number and Its Applications to Methods of Teaching Arithmetic |

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Halaman 46

But if we know that one yard of calico is worth ( is measured by ) eight cents , and

one yard of silk worth one

worth of any quantity of calico in terms of any quantity of silk . If it were not for ...

But if we know that one yard of calico is worth ( is measured by ) eight cents , and

one yard of silk worth one

**dollar**and sixty cents , we can accurately measure theworth of any quantity of calico in terms of any quantity of silk . If it were not for ...

Halaman 47

... the pound , the

a quantity of a different kind . Counting and Measuring . - It has been said that

number originates from measurement ; that it is a statement of the numerical

value ...

... the pound , the

**dollar**, etc. 3. Measuring with a unit having a definite relation toa quantity of a different kind . Counting and Measuring . - It has been said that

number originates from measurement ; that it is a statement of the numerical

value ...

Halaman 48

Thus , the only way to measure weight is by counting so many units of density ;

distance , by counting so many particular units of length ; cost or price , by

counting so many units of value -

Thus , the only way to measure weight is by counting so many units of density ;

distance , by counting so many particular units of length ; cost or price , by

counting so many units of value -

**dollars**or what not . In other words , when we ... Halaman 50

Then , again , if he wishes to find the money value of the lumber , how much it is

worth , he must count off the total number of feet at so much ( so many

per thousand , and the resulting so many

lumber ...

Then , again , if he wishes to find the money value of the lumber , how much it is

worth , he must count off the total number of feet at so much ( so many

**dollars**)per thousand , and the resulting so many

**dollars**represents the worth of thelumber ...

Halaman 53

What activity does the

possible activities which it places at our control , would it be a measure of value ?

Why may a child value a bright penny higher than a dull

What activity does the

**dollar**stand for ? If the**dollar**did not represent certainpossible activities which it places at our control , would it be a measure of value ?

Why may a child value a bright penny higher than a dull

**dollar**? And so on .### Apa yang dikatakan orang - Tulis resensi

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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