## 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 5

THE design of this work is to furnish the schools of the United States with a

methodical and comprehensive system of Practical Arithmetic , in which I have

endeavoured , through the whole , to have the

the ...

THE design of this work is to furnish the schools of the United States with a

methodical and comprehensive system of Practical Arithmetic , in which I have

endeavoured , through the whole , to have the

**rules**as concise and familiar , asthe ...

Page 6

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

above hinted ; and after going through the principal mercantile

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 8

63 of Currencies , do . of Coin : : 89 , 93

108 Double . . . . . . . : 148

several United States , also Canada and No . va - Scotia , each to the par of all ...

63 of Currencies , do . of Coin : : 89 , 93

**Rule**of Three Direct , do . Inverse . . 100 ,108 Double . . . . . . . : 148

**Rules**, for reducing the different currencies of theseveral United States , also Canada and No . va - Scotia , each to the par of all ...

Page 17

place , hundreds in the hundreds place , and so on , towards the left hand ,

writing each figure according to its proper value in numeration ; taking care to

supply ...

**RULE**. Begin on the right hand , write units in the units place , tens in the tensplace , hundreds in the hundreds place , and so on , towards the left hand ,

writing each figure according to its proper value in numeration ; taking care to

supply ...

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underneath , and begin with the units ; after adding up every figure in that column

, consider how ma . ny tens are contained in their sum ; set down the remainder ...

**RULE**. Having placed units under units , tens under tens , & c . draw a lineunderneath , and begin with the units ; after adding up every figure in that column

, consider how ma . ny tens are contained in their sum ; set down the remainder ...

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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.