The Psychology of Number and Its Applications to Methods of Teaching ArithmeticD. Appleton, 1895 - 309 halaman |
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Halaman 192
... digits as numbers , the values of the units of measure denoted by any digit according to its place in the series , the single figure denoting so many one - units ( so many units of reference - yard , dollar , pound , etc. ) , the second ...
... digits as numbers , the values of the units of measure denoted by any digit according to its place in the series , the single figure denoting so many one - units ( so many units of reference - yard , dollar , pound , etc. ) , the second ...
Halaman 198
... digits in each row , then adding these sums and comparing the total with the total obtained from adding the column - sums treated as separate numbers . These two totals ought to be equal . In the example , the sum of the digits in the ...
... digits in each row , then adding these sums and comparing the total with the total obtained from adding the column - sums treated as separate numbers . These two totals ought to be equal . In the example , the sum of the digits in the ...
Halaman 199
... digits we are work- ing with has to be increased by a one from some lower rank . In adding a pair of digits of any order , the stu- dent at the same time glances at the lower orders to see if a one is coming up from below to be added ...
... digits we are work- ing with has to be increased by a one from some lower rank . In adding a pair of digits of any order , the stu- dent at the same time glances at the lower orders to see if a one is coming up from below to be added ...
Halaman 214
... , and subsequently proves useful , is the method of finding a product of two factors in a single line . To multiply , e . g . , 487 by 563 , write the multiplier , with the digits in inverted order , on 214 THE PSYCHOLOGY OF NUMBER .
... , and subsequently proves useful , is the method of finding a product of two factors in a single line . To multiply , e . g . , 487 by 563 , write the multiplier , with the digits in inverted order , on 214 THE PSYCHOLOGY OF NUMBER .
Halaman 215
James Alexander McLellan, John Dewey. multiplier , with the digits in inverted order , on the lower edge of a slip of ... digit ( 5 ) of the inverted multiplier is over the last digit of the multiplicand , and taking the product of any ...
James Alexander McLellan, John Dewey. multiplier , with the digits in inverted order , on the lower edge of a slip of ... digit ( 5 ) of the inverted multiplier is over the last digit of the multiplicand , and taking the product of any ...
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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 decimal decimetre defined denominator denotes derived unit digits divided divisor dollar educational equal exact example exercises factor facts feet figures five foot four frac fractions FRANK VINCENT fundamental given quantity gives greatest common measure groups hundred 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 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 ured vague whole numbers yard
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