Daboll's Schoolmaster's Assistant: Improved and Enlarged, Being a Plain Practical System of Arithmetic, Adapted to the United States |
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Page 18
Having placed units under units , tens under tens , & c . draw a line underneath , and begin with the units ; after adding up every figure in that column , consider how many tens are contained in their sum ; set down the remainder under ...
Having placed units under units , tens under tens , & c . draw a line underneath , and begin with the units ; after adding up every figure in that column , consider how many tens are contained in their sum ; set down the remainder under ...
Page 20
... 7 5 5 remainders ; then if the excess of nines in the sum found as before , is equal to the 18 3 0 S excess of nines in the sum total , the work is supposed to be right . 15 Add 8635 , 2194 , 7421 , 5063 , 2196 , and 1245 together .
... 7 5 5 remainders ; then if the excess of nines in the sum found as before , is equal to the 18 3 0 S excess of nines in the sum total , the work is supposed to be right . 15 Add 8635 , 2194 , 7421 , 5063 , 2196 , and 1245 together .
Page 25
SIMPLE SUBTRACTION Subtraction of whole Numbers , TEACHETH to take a less number from a greater , of the same denomination , and thereby shows the difference , or remainder : as 4 dollars subtracted from 6 dollars , the remainder is two ...
SIMPLE SUBTRACTION Subtraction of whole Numbers , TEACHETH to take a less number from a greater , of the same denomination , and thereby shows the difference , or remainder : as 4 dollars subtracted from 6 dollars , the remainder is two ...
Page 26
Ans . One thousand . 21. From nine hundred and eighty - seven millions , take nine hundred and eighty - seven thousand . Ans . 986015000 . 22. Subtract one from a million , and shew the remainder . Ans . 999999 . QUESTIONS . 1.
Ans . One thousand . 21. From nine hundred and eighty - seven millions , take nine hundred and eighty - seven thousand . Ans . 986015000 . 22. Subtract one from a million , and shew the remainder . Ans . 999999 . QUESTIONS . 1.
Page 29
... placing the first figure in each product exactly under its multiplier ; * Multiplication may also be proved ły casting out the 9's in the two factors , and setting down the remainders ; then multiplying the two remainders together ...
... placing the first figure in each product exactly under its multiplier ; * Multiplication may also be proved ły casting out the 9's in the two factors , and setting down the remainders ; then multiplying the two remainders together ...
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Bibliographic information
| Title | Daboll's Schoolmaster's Assistant: Improved and Enlarged, Being a Plain Practical System of Arithmetic, Adapted to the United States |
| Author | Nathan Daboll |
| Publisher | G. Tracy, 1841 |
| Original from | Harvard University |
| Digitized | 28 Aug 2007 |
| Length | 231 pages |
| Export Citation | BiBTeX EndNote RefMan |