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 8
... added to that of the greater . Thus , XI represents eleven , LX sixty , DC six hundred . 3d . If a letter of any value be placed before one of greater value , its value is to be taken from that of the greater . Thus , IX represents nine ...
... added to that of the greater . Thus , XI represents eleven , LX sixty , DC six hundred . 3d . If a letter of any value be placed before one of greater value , its value is to be taken from that of the greater . Thus , IX represents nine ...
Σελίδα 20
... added ; thus , 6 + 4 , shows that 6 and 4 are to be added . 39. The sign , = , is called the sign of equality . When placed between two numbers , or sets of numbers , it signifies that they are equal to each other ; thus , the ...
... added ; thus , 6 + 4 , shows that 6 and 4 are to be added . 39. The sign , = , is called the sign of equality . When placed between two numbers , or sets of numbers , it signifies that they are equal to each other ; thus , the ...
Σελίδα 21
... 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 and 1 and 1 are 3 , the sum of the hundreds . Hence , the entire amount is 3 hundreds 8 tens and 9 units , or 389 . EXAMPLES FOR ...
... 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 and 1 and 1 are 3 , the sum of the hundreds . Hence , the entire amount is 3 hundreds 8 tens and 9 units , or 389 . EXAMPLES FOR ...
Σελίδα 22
... added to the next column . This process is sometimes called " car- rying the tens . " 2. In adding , learn to pronounce the partial results without naming the numbers separately ; thus , instead of saying 7 and 5 are 12 , and 5 are 17 ...
... added to the next column . This process is sometimes called " car- rying the tens . " 2. In adding , learn to pronounce the partial results without naming the numbers separately ; thus , instead of saying 7 and 5 are 12 , and 5 are 17 ...
Σελίδα 23
... added so that the units of the same order shall stand in the same column ; that is , units under units , tens under ... added ; if the two results agree , the work is supposed to be right . Or , 2d . Separate the numbers added into two ...
... added so that the units of the same order shall stand in the same column ; that is , units under units , tens under ... added ; if the two results agree , the work is supposed to be right . Or , 2d . Separate the numbers added into two ...
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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