An Elementary ArithmeticCowperthwait & Company, 1877 - 224 σελίδες |
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Σελίδα 3
... principles and rules have been carefully established by induction . The plan has been to make the reasons for each process entirely clear , and to enable the learner to state them in concise language . Mental and written exercises ...
... principles and rules have been carefully established by induction . The plan has been to make the reasons for each process entirely clear , and to enable the learner to state them in concise language . Mental and written exercises ...
Σελίδα 4
... principles , having been fully comprehended , ought to be fixed in the memory . The rules may or may not be learned , as teachers shall prefer . 7. Fractions should be amply illustrated by material objects , atten- tion being specially ...
... principles , having been fully comprehended , ought to be fixed in the memory . The rules may or may not be learned , as teachers shall prefer . 7. Fractions should be amply illustrated by material objects , atten- tion being specially ...
Σελίδα 13
... Principle is a general or settled truth . Principle of Numeration and Notation . 20. Ten units of any order are equal to one unit of the next higher order . WRITTEN EXERCISES . 21. Copy and read— 1. 100 . 8. 200 . 15. 323 . 22. 982 . 2 ...
... Principle is a general or settled truth . Principle of Numeration and Notation . 20. Ten units of any order are equal to one unit of the next higher order . WRITTEN EXERCISES . 21. Copy and read— 1. 100 . 8. 200 . 15. 323 . 22. 982 . 2 ...
Σελίδα 21
... Principles of Addition . 40. - 1 . Only similar numbers can be added . 2. The sum of numbers is the same , in whatever order they are added . WRITTEN EXERCISES . 41. Copy , add and prove- ( 1. ) ( 2. ) ( 3. ) ( 4. ) ( 5. ) ( 6. ) 3 4 5 ...
... Principles of Addition . 40. - 1 . Only similar numbers can be added . 2. The sum of numbers is the same , in whatever order they are added . WRITTEN EXERCISES . 41. Copy , add and prove- ( 1. ) ( 2. ) ( 3. ) ( 4. ) ( 5. ) ( 6. ) 3 4 5 ...
Σελίδα 26
... 3. What are such numbers as express things of the same kind called ? How may the correctness of an answer in addition be tested ? 4. What principles of addition are given ? SECTION IV . SUBTRACTION . 53. - 1 . John 26 ADDITION .
... 3. What are such numbers as express things of the same kind called ? How may the correctness of an answer in addition be tested ? 4. What principles of addition are given ? SECTION IV . SUBTRACTION . 53. - 1 . John 26 ADDITION .
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Άλλες εκδόσεις - Προβολή όλων
Συχνά εμφανιζόμενοι όροι και φράσεις
12 cents acres apples bought bushels bushels of wheat ciphers cloth cost column common fraction compound numbers contain cord feet cubic feet cubic inches decimal orders decimal point denominate number dimes divided dividend division divisor dollars a yard dry measures eight equal fifth figures fourths given number greatest common greatest common divisor greatest common factor halves Hence higher denomination hogsheads hundred-weight hundredths improper fraction integer least common denominator least common multiple lowest terms measure miles mills minuend mixed number months multiplicand number expressed orange ounces paid pecks pennyweights pounds prime factors PROBLEMS quarts 1 pint quotient rate per cent Recite the table Reduce remainder SECTION sold SOLUTION SOLUTION.-If SOLUTION.-Write the numbers square inches square mile square rods subtract subtrahend tens are named tenths TEST QUESTIONS.-1 third thousand thousandths tons Troy Weight write the numbers WRITTEN EXERCISES yards of cloth
Δημοφιλή αποσπάσματα
Σελίδα 137 - Cubic Measure 1728 cubic inches (cu. in.) =1 cubic foot (cu. ft.) 27 cubic feet = 1 cubic yard (cu. yd.) 128 cubic feet = 1 cord (cd...
Σελίδα 110 - Reduce the fractions to a common denominator and divide the numerator of the dividend by the numerator of the divisor.
Σελίδα 134 - SQUARE MEASURE 144 square inches (sq. in.) = 1 square foot (sq. ft.) 9 square feet = 1 square yard (sq.
Σελίδα 86 - Multiplying or dividing both terms of a fraction by the same number does not change the value of the fraction.
Σελίδα 75 - Cancel the common factors from both the dividend and divisor. II. Then divide the product of the remaining factors of the dividend by the product of the remaining factors of the divisor, and the result will be the quotient.
Σελίδα 101 - Multiply the whole number by the numerator of the fraction, and divide the product by the denominator ; or divide the whole number by the denominator of the fraction, and multiply the quotient by the numerator.
Σελίδα 70 - Divide the given number by any prime number greater than 1, that will divide it without a remainder, and the quotient, if composite, in the same manner; and thus continue until the quotient is prime. The divisors and the last quotient will be the prime factors required.
Σελίδα 150 - Number. 12 units — 1 dozen (doz.). 12 dozen = 1 gross (gro.). 12 gross =• 1 great gross. 20 units — 1 score.
Σελίδα 160 - Rule.— Write the numbers so that units of the same denomination shall stand in the same column.
Σελίδα 71 - The Greatest Common Divisor of two or more numbers is the greatest number that will exactly divide each of them. Thu4, 18 is the greatest, common divisor of 36 and 54, since it is the greatest number that will divide each of them without a remainder.