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

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Halaman 35

There might be , of course - Crusoe - like a crude estimate of the quantity

required for a given purpose ; but there would be no definite numerical val ,

uation in acres , rods , yards ,

food could ...

There might be , of course - Crusoe - like a crude estimate of the quantity

required for a given purpose ; but there would be no definite numerical val ,

uation in acres , rods , yards ,

**feet**. There would be no need for such accuracy . Iffood could ...

Halaman 45

It is the difference between saying that iron is heavy and that so much iron at a

given temperature and a given latitude weighs just so much ; or between saying

that the blackboard is of moderate size and that it contains so many square

It is the difference between saying that iron is heavy and that so much iron at a

given temperature and a given latitude weighs just so much ; or between saying

that the blackboard is of moderate size and that it contains so many square

**feet**. Halaman 48

We count chairs , beds , splints ,

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 toget 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 50

If the boards are of uniform size , he finds the number ( how many ) of

board , and counts the number ( how many ) of boards , and finds the whole so

many

If the boards are of uniform size , he finds the number ( how many ) of

**feet**in oneboard , and counts the number ( how many ) of boards , and finds the whole so

many

**feet**— that is , the indefinite “ how much ” has become , through counting ... Halaman 51

To build a house of a certain kind and value , we must have just so many bricks ,

so many cubic

house is the end , the goal to be reached ; these things are the means . The

house ...

To build a house of a certain kind and value , we must have just so many bricks ,

so many cubic

**feet**of stone , so much lumber , so many days ' work , etc. Thehouse is the end , the goal to be reached ; these things are the means . The

house ...

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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