## The Teachers' Assistant, Or, A System of Practical Arithmetic: Wherein the Several Rules of that Useful Science are Illustrated by a Variety of Examples : a Large Proportion of which are in Federal Money ... |

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### Common terms and phrases

15 pounds 15 yards acres aliquot amount annuity annum answer Bought Bring bushels casks cent to cents cents per lb Compound compound interest contained cube root decimal divide dividend divisor dollars per cent dols drams DRY MEASURE English ells EXAMPLES exchange Facit farthings Federal Money feet fourth furlongs gain gallons given number given sum grains gross hand figure hogsheads hundred weight improper fraction inches interest merchant miles months Multiply nails neat weight Note number of terms ounces paid pecks pence Pennsylvania currency penny pennyweights pieces pint present worth PROOF quarters quarts quotient rate per cent ratio Reduce remainder Result roods Rule of Three sold square root sterling Subtract sugar sum or quantity supposed number TABLE tare TROY WEIGHT tuns VULGAR FRACTIONS whole number wine yards of cloth yards of linen yards of muslin

### Popular passages

Page 122 - Then multiply the second and third terms together, and divide the product by the first term: the quotient will be the fourth term, or answer.

Page 79 - RULE.* Multiply the principal by the rate per cent, and divide the product by 100: the quotient will be the interest for 1 year.

Page 138 - ... from the left hand period, and to the remainder bring down the next period for a dividend.

Page 109 - The number above the line is called the numerator, and that below the line the denominator. The denominator...

Page 140 - To the remainder bring down the first figure in the next period, and call it the dividend. 4. 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 61 - Direct. 2. Multiply the first and second terms together, and divide the product by the third ; the quotient will be the answer in the same denomination as the middle term was reduced into.

Page 138 - Suppose a ladder 40 feet long be so planted as to reach a window 33 feet from the ground, on one side of the street, and without moving it at the foot, will reach a window on the other side 21 feet high; what is the breadth of the street?

Page 35 - TABLE. 2^- inches in. make 1 nail marked na. 4 nails - - - 1 quarter of a yard qr. 4 quarters - - - 1 yard - - yd. 3 quarters - - - 1 Ell Flemish - E. Fl. 5 quarters - - - 1 Ell English - EE 6 quarters - - - 1 Ell French - E. Fr.

Page 111 - To change a mixed number to an improper fraction, simply multiply the whole number by the denominator of the fraction and add the numerator.

Page 120 - Reduce compound fractions to simple ones, and mixt numbers to improper fractions ; then multiply the numerators together for a new numerator, and the denominators for. a new denominator.