Robinson's Progressive Practical Arithmetic: Containing the Theory of Numbers in Connection with Concise Analytic and Synthetic Methods of Solution, and Designed as a Complete Text-book on this Science for Common Schools and AcademiesIvison, Blakeman, Taylor, 1871 - 372 σελίδες |
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Σελίδα 20
... plus 4 is equal to 10 , and denotes that the numbers 6 and 4 , taken together , equal the number 10 . Define addition . The sum or amount ? Sign of addition ? Of equality ? CASE I. 40. When the amount of each column is 20 SIMPLE NUMBERS .
... plus 4 is equal to 10 , and denotes that the numbers 6 and 4 , taken together , equal the number 10 . Define addition . The sum or amount ? Sign of addition ? Of equality ? CASE I. 40. When the amount of each column is 20 SIMPLE NUMBERS .
Σελίδα 21
... column . We then add the columns separately , for convenience commencing at the right hand , and write each result under the column added . Thus , we have 5 and 2 and 2 are 9 , the sum of the units ; 2 and 6 are 8 , the sum of the tens ...
... column . We then add the columns separately , for convenience commencing at the right hand , and write each result under the column added . Thus , we have 5 and 2 and 2 are 9 , the sum of the units ; 2 and 6 are 8 , the sum of the tens ...
Σελίδα 22
... column of units , and find the sum to be 17 units , which is 1 ten and 7 units . We write the 7 units in the place of units , and the 1 ten in the place of tens . The sum of the figures in the column of tens is 15 tens , which is 1 ...
... column of units , and find the sum to be 17 units , which is 1 ten and 7 units . We write the 7 units in the place of units , and the 1 ten in the place of tens . The sum of the figures in the column of tens is 15 tens , which is 1 ...
Σελίδα 23
... column . IV . Write the entire sum of the last column . PROOF . 1st . Begin with the right hand or unit column , and add the figures in each column in an opposite direction from that in which they were first added ; if the two results ...
... column . IV . Write the entire sum of the last column . PROOF . 1st . Begin with the right hand or unit column , and add the figures in each column in an opposite direction from that in which they were first added ; if the two results ...
Σελίδα 32
... column . II . Begin at the right hand , and take each figure of the sub- trahend from the figure above it , and write the result under- neath . III . If any figure in the subtrahend be greater than the cor- responding figure above it ...
... column . II . Begin at the right hand , and take each figure of the sub- trahend from the figure above it , and write the result under- neath . III . If any figure in the subtrahend be greater than the cor- responding figure above it ...
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Συχνά εμφανιζόμενοι όροι και φράσεις
acres amount annex barrels of flour bought bushels bushels of corn bushels of wheat centiares cents a pound ciphers column common denominator common fraction contained cords of wood cost cube cubic currency decimal places decimal point decimetre difference discount Divide dividend division dollars equal exact divisor EXAMPLES FOR PRACTICE expressed feet figure following RULE fourth gain gallons Give explanation given numbers greatest common divisor hectometres Hence the RULE hundred hundredths improper fraction inches integers interest least common multiple length less lowest terms measure merchant metres metric system miles mills minuend mixed number months multiplicand Multiply notation NOTE OPERATION paid payment prime factors proper fraction purchase quotient rate per cent ratio receive Reduce remainder rods root simple numbers sold square subtract subtrahend tens third thousand thousandths whole number worth yards of cloth
Δημοφιλή αποσπάσματα
Σελίδα 200 - X 5'" = 20"'". Hence the RULE. I. Write the several terms of the multiplier under the corresponding terms of the multiplicand. II. Multiply each term of the multiplicand by each term of the multiplier...
Σελίδα 48 - The dividend is the number to be divided. The divisor is the number by which we divide.
Σελίδα 167 - LIQUID MEASURE 4 gills (gi.) = 1 pint (pt.) 2 pints = 1 quart (qt...
Σελίδα 173 - A ship during 4 days' storm at sea changed her longitude 397 geographical miles ; how many degrees and minutes did she change ? Ans. 6° 37'. 208. IN COUNTING. 12 units or things make. ... 1 dozen. 12 dozen " 1 gross. 12 gross " 1 great .gross. 20 units
Σελίδα 73 - 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.
Σελίδα 347 - That from and after the passage of this act, it shall be lawful throughout the United States of America to employ the weights and measures of the Metric System ; and no contract, or dealing, or pleading in any court, shall be deemed invalid or liable to objection, because the weights or measures expressed or referred to therein are weights or measures of the Metric System.
Σελίδα 165 - 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 104 - Multiply together the numerators for a new numerator, and the denominators for a new denominator.
Σελίδα 169 - DRY MEASURE 2 pints (pt.) = 1 quart (qt.) 8 quarts =1 peck (pk.) 4 pecks = 1 bushel (bu...
Σελίδα 282 - Quantities are said to be in continued proportion when the first is to the second, as the second is to the third, as the third to the fourth ; and so on.