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 & Company, 1879 - 359 σελίδες |
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Σελίδα 20
... 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 . ADDITION CANCELLATION 69.
... 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 . ADDITION CANCELLATION 69.
Σελίδα 21
... column . 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 ; 1 ...
... column . 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 ; 1 ...
Σελίδα 22
... column of units , and find the sum to be 17 units , which is 1 ten and 7 units . 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 hundred ...
... column of units , and find the sum to be 17 units , which is 1 ten and 7 units . 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 hundred ...
Σελίδα 23
... column ; that is , units under units , tens under tens , etc. II . Commencing at units , add each column separately , and write the sum underneath , if it be less than ten . III . If the sum of any column be ten or more than ten , write ...
... column ; that is , units under units , tens under tens , etc. II . Commencing at units , add each column separately , and write the sum underneath , if it be less than ten . III . If the sum of any column be ten or more than ten , write ...
Σελίδα 32
... column . II . Begin at the right hand , and take each figure of the subtrahend from the figure above it , and write the result un- derneath . III . If any figure in the subtrahend be greater than the corresponding figure above it , add ...
... column . II . Begin at the right hand , and take each figure of the subtrahend from the figure above it , and write the result un- derneath . III . If any figure in the subtrahend be greater than the corresponding figure above it , add ...
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amount annex barrels of flour bushels bushels of corn bushels of wheat cents a pound ciphers common fraction contained cords of wood cost cube cubic currency decimal currency decimal places decimal point discount Divide dividend division dollars dry measure equal exact divisor EXAMPLES FOR PRACTICE feet figure gain gallons Give analysis Give explanation given number gold greatest common divisor Hence hundred hundredths improper fraction inches integers interest invested least common denominator least common multiple lowest terms meters miles mills minuend mixed number months multiplicand Multiply OPERATION paid payment purchase quotient rate per cent ratio receive Reduce remainder rods RULE sell simple numbers sold subtract subtrahend sugar tens tenths third thousand thousandths trial divisor Troy weight units weight whole number worth Write yards of cloth