## 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 4

[ Now

( Mass . ) dec . 10 , 1807 . HAVING examined Mr . DaBoll ' s System of Arithmetic ,

I am pleased with the judgment displayed in his method , and the perspicuity of ...

[ Now

**Principal**of Phillips ' Academy , Andover , Mass . ) BILLERICA ACADEMY ,( Mass . ) dec . 10 , 1807 . HAVING examined Mr . DaBoll ' s System of Arithmetic ,

I am pleased with the judgment displayed in his method , and the perspicuity of ...

Page 6

I have therefore placed a few problems in Fractions , according to the method

above hinted ; and after going through the

treated upon Vulgar Fractions at large , the scholar being now capable of going

through ...

I have therefore placed a few problems in Fractions , according to the method

above hinted ; and after going through the

**principal**mercantile rules , havetreated upon Vulgar Fractions at large , the scholar being now capable of going

through ...

Page 15

ARITHMETIC is the art of computing by numbers , and has five

its operation , viz . Numeration , Addition , Subtraction , Multiplication , and

Divişion . NUMERATION . Numeration is the art of numbering . It teaches to

express ...

ARITHMETIC is the art of computing by numbers , and has five

**principal**rules forits operation , viz . Numeration , Addition , Subtraction , Multiplication , and

Divişion . NUMERATION . Numeration is the art of numbering . It teaches to

express ...

Page 34

Four

given to be divided . 2 . The Divisor , or number given to divide by . . . 3 . The

Quotient , or answer to the question , which shows how many times the divisor is

...

Four

**principal**parts are to be noticed in Division : 1 . The Dividend , or numbergiven to be divided . 2 . The Divisor , or number given to divide by . . . 3 . The

Quotient , or answer to the question , which shows how many times the divisor is

...

Page 109

If 1001 . in 12 months gain 61 . interest , what

inonths ? Ans . £150 . 8 . If 11 men oan build a house in 5 months , by worki ing

12 hours per day - - III what time will the same number of men do it , when they

work ...

If 1001 . in 12 months gain 61 . interest , what

**principal**will gain the same in 8inonths ? Ans . £150 . 8 . If 11 men oan build a house in 5 months , by worki ing

12 hours per day - - III what time will the same number of men do it , when they

work ...

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### Common terms and phrases

acres added allowing amount annuity annum answer Bought breadth Bring bushels called cent cloth common compound interest contain continue cost cube currency cyphers decimal demand denominator difference Divide dividend divisor dollars dols equal EXAMPLES farthings Federal Money feet figure Find the value five fraction gain gallon give given given sum greater gross half hundred inches interest least length less measure method miles millions mills mixed months Multiply neat New-York nine paid payment pence period piece pound present worth principal proportion quantity question quotient ratio received Reduce remainder right hand rods root RULE sell share shillings simple sold solid square stands subtract sugar Suppose TABLE tare term third thousand units weight whole whole numbers wine yards

### Popular passages

Page 36 - RULE.* 1. Place the numbers so that those of the same denomination may stand directly under each other. 2. Add the first column or denomination together, as in whole numbers; then divide the sum by as many of the same denomination as make one of the next greater...

Page 21 - Subtract the subtrahend from the dividend, and to the remainder bring down the next period for a new dividend, with which proceed as before ; and so on, till the whole is finished.

Page 94 - Multiply the second and third terms together, and divide their product by the first term ; the quotient will be the answer to the question, in the same denomination you left the second term in, which may be brought into any other denomination required.

Page 179 - Involve the root to the next inferior power to that which is given, and multiply it by the number denoting the given power for a divisor.

Page 212 - To measure a parallelogram or long square. RULE.— Multiply the length by the breadth, and the product will be the area, or superficial content, in the same name as that in which the dimension was taken, whether inches, feet, or rods, etc.

Page 158 - Multiply all the numerators together for a new numerator, and all the denominators together for a new denominator.

Page 21 - Place the least number under the greatest, so that units may stand under units, tens under tens, &c. and draw a line under them. 2. Begin at the right hand, and take each figure in the lower line from the figure above it, and set down the remainder. 3.

Page 187 - RULE.* — Multiply the sum of the extremes by the number of terms, and half the product will be the answer.

Page 226 - July next, foreign gold and silver coins shall pass current as money within the United States, and be a legal tender for the payment of all debts and demands...

Page 149 - A single, simple, or proper fraction, is when the numerator is less than the denominator, as 4 3 | -|f , &c.