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 15
It teaches to express the value of any proposed number by the follow : ing
characters , or figures : 1 , 2 , 3 , 4 , 5 , 6 , 7 , 8 ... which depends upon the place it
stands in , viz . any figure in the place of units , represents only its simple value ,
or so ...
It teaches to express the value of any proposed number by the follow : ing
characters , or figures : 1 , 2 , 3 , 4 , 5 , 6 , 7 , 8 ... which depends upon the place it
stands in , viz . any figure in the place of units , represents only its simple value ,
or so ...
Page 16
To know the value of any number of figures . RULE . 1 . Numerate from the right
to the left hand , each figure in its proper place , by saying , units , tens , hundreds
, & c . as in the Numeration Table . 2 . To the simple value of each figure , join ...
To know the value of any number of figures . RULE . 1 . Numerate from the right
to the left hand , each figure in its proper place , by saying , units , tens , hundreds
, & c . as in the Numeration Table . 2 . To the simple value of each figure , join ...
Page 17
For convenience in reading large numbers , they may he divided into periods of
three figures eacn , as follows : 987 , Nine ... writing each figure according to its
proper value in numeration ; taking care to supply those places of the natural
order ...
For convenience in reading large numbers , they may he divided into periods of
three figures eacn , as follows : 987 , Nine ... writing each figure according to its
proper value in numeration ; taking care to supply those places of the natural
order ...
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 the ...
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 the ...
Page 19
... at the top of the sum , and reckon the figures downwards in the same manner
as they were added upwards , and if it be right , this sun total will be equal to the
first : Or cut off the upper line of figures , and find the amount ot the rest ; then if
the ...
... at the top of the sum , and reckon the figures downwards in the same manner
as they were added upwards , and if it be right , this sun total will be equal to the
first : Or cut off the upper line of figures , and find the amount ot the rest ; then if
the ...
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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 |