## 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

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 20

Excess of 9 ' s . et loivono % There is another method of proof , as follows : Reject

or cast out the nines in each EXAMPLE . duw or sum of figures , and set down the

3 7 8 2 1 6 2

Excess of 9 ' s . et loivono % There is another method of proof , as follows : Reject

or cast out the nines in each EXAMPLE . duw or sum of figures , and set down the

3 7 8 2 1 6 2

**remainders**, each directly even with the 5 7 6 6 figures in its row ... 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

...

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...

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

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 ty casting out the o ' s in the t180 factors , and

setting down tbe reinainders ; then multiplying the two

excess or ...

... placing the first figure in each product exactly under its multiplier ; *

Multiplication may also be proved ty casting out the o ' s in the t180 factors , and

setting down tbe reinainders ; then multiplying the two

**remainders**together ; if theexcess or ...

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