The Psychology of Number and Its Applications to Methods of Teaching ArithmeticD. Appleton, 1912 - 309 halaman |
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Halaman 35
... root of the problem of the origin of number . THE IDEA OF LIMIT . - If every human being could use at his pleasure all the land he wanted , it is probable that no one would ever measure land with mathematical exactness . There might be ...
... root of the problem of the origin of number . THE IDEA OF LIMIT . - If every human being could use at his pleasure all the land he wanted , it is probable that no one would ever measure land with mathematical exactness . There might be ...
Halaman 99
... root of two , multiplied by the square root of three , is equal to the square root of six ; or find by loga- rithms the sum of a given number of equal addends . Simultaneous Method not Psychological . — It seems clear , THE ARITHMETICAL ...
... root of two , multiplied by the square root of three , is equal to the square root of six ; or find by loga- rithms the sum of a given number of equal addends . Simultaneous Method not Psychological . — It seems clear , THE ARITHMETICAL ...
Halaman 296
... of $ 100 . - It will be easy to obtain a general formula , and also to find the value of a deferred annuity running for a definite number of years . CHAPTER XVI . EVOLUTION . Square Root . The product 296 THE PSYCHOLOGY OF NUMBER .
... of $ 100 . - It will be easy to obtain a general formula , and also to find the value of a deferred annuity running for a definite number of years . CHAPTER XVI . EVOLUTION . Square Root . The product 296 THE PSYCHOLOGY OF NUMBER .
Halaman 297
... root of 9 , and 5 the square root of 25. The square of 3 is written 33 , the square root of 3 is ex- pressed thus : √3 . The pupil can write at once the table of squares : 1 1 2o 4 9 32 = 4216 5 ' = 25 [ 10 ' = 100 ] 6 ' = 36 7'49 8 ...
... root of 9 , and 5 the square root of 25. The square of 3 is written 33 , the square root of 3 is ex- pressed thus : √3 . The pupil can write at once the table of squares : 1 1 2o 4 9 32 = 4216 5 ' = 25 [ 10 ' = 100 ] 6 ' = 36 7'49 8 ...
Halaman 298
... root ) , lying as it does between 400 and 900 , will have for square root a number lying between 20 and 30 - that is , the tens figure of the root will be 2 . Similarly , if a number is expressed by four digits its square root is ...
... root ) , lying as it does between 400 and 900 , will have for square root a number lying between 20 and 30 - that is , the tens figure of the root will be 2 . Similarly , if a number is expressed by four digits its square root is ...
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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