The Psychology of Number and Its Applications to Methods of Teaching ArithmeticD. Appleton, 1895 - 309 halaman |
Dari dalam buku
Hasil 1-5 dari 27
Halaman 53
... foot ? What is the connection between the decimal system and the 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 ...
... foot ? What is the connection between the decimal system and the 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 ...
Halaman 69
... foot ( measuring unit and measured unity ) , pound and ton , minute and hour , dime and dollar are pairs of homogeneous quantities . 2. Numerical Value . - This expresses how many of the standard units make up , or construct , the ...
... foot ( measuring unit and measured unity ) , pound and ton , minute and hour , dime and dollar are pairs of homogeneous quantities . 2. Numerical Value . - This expresses how many of the standard units make up , or construct , the ...
Halaman 72
... foot to 7 feet , of 1 inch to 7 inches , of 1 day to 1 week , of $ 1,000 to $ 7,000 , and so on indefinitely . Simply as seven it has no meaning , no definite value at all ; it only states a possible measurement . This definition ...
... foot to 7 feet , of 1 inch to 7 inches , of 1 day to 1 week , of $ 1,000 to $ 7,000 , and so on indefinitely . Simply as seven it has no meaning , no definite value at all ; it only states a possible measurement . This definition ...
Halaman 75
... foot four times is one whole of 4 feet ; this is true of every foot of the origi- nal measure , 3 feet ; and therefore 3 feet four times is 4 feet three times . It is clear that the two questions , ( a ) in 12 feet how many counts of 4 ...
... foot four times is one whole of 4 feet ; this is true of every foot of the origi- nal measure , 3 feet ; and therefore 3 feet four times is 4 feet three times . It is clear that the two questions , ( a ) in 12 feet how many counts of 4 ...
Halaman 82
... foot is in measuring 12 feet . So the quantities 9 piles of silver coin of ten dollars each , and 25 pages of thirty lines each , have respectively the numerical values of 9 and 25 — that is , nine units of measurement ( " ones " ) and ...
... foot is in measuring 12 feet . So the quantities 9 piles of silver coin of ten dollars each , and 25 pages of thirty lines each , have respectively the numerical values of 9 and 25 — that is , nine units of measurement ( " ones " ) and ...
Edisi yang lain - Lihat semua
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 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 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
Bagian yang populer
Halaman 243 - ... can be expressed as integers, namely, 4 cents, 4 feet, 4 pounds, and so on, with kindred ideas and operations. 3. The Primary Practical Principle in Fractions. — It is clear that this complete expression for the number process is the fundamental principle employed in the treatment of fractions : if both terms of a fraction be multiplied or divided by the same number, the numerical value of the fraction will not be changed. This principle is usually " demonstrated " ; it is, however, involved...
Halaman 206 - The process of solving equations depends upon the following principles, called axioms : 1. If equals be added to equals, the sums are equal. 2. If equals be subtracted from equals, the remainders are equal. 3. If equals be multiplied by equals, the products are equal. 4. If equals be divided by equals, the quotients are equal. 5. Like powers or like roots of equals are equal. NOTE. Axiom 4 is not true if the divisor equals zero.
Halaman 5 - ... of commodities; just as a knowledge of anatomy, physiology, pathology has transformed medicine from empiricism to applied science, so a knowledge of the structure and functions of the human being can alone elevate the school from the position of a mere workshop, a more or less cumbrous, uncertain, and even baneful institution, to that of a vital, certain, and effective instrument in the greatest of all constructions — the building of a free and powerful character. Without the assured methods...