Introduction to The National Arithmetic: On the Inductive System : Combining the Analytic and Synthetic Methods in which the Principles of the Science are Fully Explained and Illustrated : Designed for Common Schools and AcademiesRobert S. Davis & Company, 1857 - 324 σελίδες |
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Σελίδα 17
... Bought four loads of hay ; the first cost 15 dollars , the second 12 dollars , the third 20 dollars , and the fourth 17 dol- lars ; what was the price of the whole ? 16. Gave 55 dollars for a horse , 40 dollars for a wagon , and 17 ...
... Bought four loads of hay ; the first cost 15 dollars , the second 12 dollars , the third 20 dollars , and the fourth 17 dol- lars ; what was the price of the whole ? 16. Gave 55 dollars for a horse , 40 dollars for a wagon , and 17 ...
Σελίδα 18
... bought a watch for 42 dollars , a coat for 16 dollars , and a set of maps for 21 dollars ; what did he pay for the whole ? Ans . 79 dollars . OPERATION . Dollars . 42 16 21 Having arranged the numbers so that all the units of the same ...
... bought a watch for 42 dollars , a coat for 16 dollars , and a set of maps for 21 dollars ; what did he pay for the whole ? Ans . 79 dollars . OPERATION . Dollars . 42 16 21 Having arranged the numbers so that all the units of the same ...
Σελίδα 19
... bought 125 sheep of one man , 432 of another , and of a third 311 ; how many did he buy ? Ans . 868 sheep . ART . 21. Method of operation when the sum of any column is equal to or exceeds 10 . Ex . 1. I have three lots of wild land ...
... bought 125 sheep of one man , 432 of another , and of a third 311 ; how many did he buy ? Ans . 868 sheep . ART . 21. Method of operation when the sum of any column is equal to or exceeds 10 . Ex . 1. I have three lots of wild land ...
Σελίδα 23
... bought a farm for 1728 dollars , and sold it so as to gain 375 dollars ; how much did he sell it for ? ox ? Ans . 2103 dollars . 52. A merchant bought five pieces of cloth . For the first he gave 376 dollars , for the second 198 dollars ...
... bought a farm for 1728 dollars , and sold it so as to gain 375 dollars ; how much did he sell it for ? ox ? Ans . 2103 dollars . 52. A merchant bought five pieces of cloth . For the first he gave 376 dollars , for the second 198 dollars ...
Σελίδα 27
... Bought a horse for 60 dollars , and sold him for 90 dol- lars ; how much did I gain ? ILLUSTRATION . We may divide the two prices of the horse into tens , and subtract the greater from the less . Thus 60 equals 6 tens , and 90 equals 9 ...
... Bought a horse for 60 dollars , and sold him for 90 dol- lars ; how much did I gain ? ILLUSTRATION . We may divide the two prices of the horse into tens , and subtract the greater from the less . Thus 60 equals 6 tens , and 90 equals 9 ...
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annexed barrels of flour bill Bought bushels called ciphers circumference column common denominator common difference common fraction composite number compound interest compound numbers containing cords cost cube root cubic feet currency decimal diameter discount Divide the product dividend division dollars equal EXAMPLES FOR PRACTICE farthings find the interest gallons Give the reason given number given sum greatest common divisor Hence hogshead hundred improper fraction inches interest of $1 least common multiple leaves less miles mills minuend mixed number molasses months multiplicand Multiply NOTE number of terms obtain paid payment pence present worth prime factors prime number principal purchase quantity quarts QUESTIONS QUESTIONS.-Art quotient rate per cent ratio received Reduce remainder rule for finding shillings side simple numbers sold solid square feet square root subtract subtrahend tens thousand thousandths tons Troy Weight United States money whole number write yards
Δημοφιλή αποσπάσματα
Σελίδα 158 - Multiply the numerators together for a new numerator, and the denominators together for a new denominator.
Σελίδα 145 - RULE. Multiply all the numerators together for a new numerator, and all the denominators for a new denominator: then reduce the new fraction to its lowest terms.
Σελίδα 155 - Multiplication is the process of taking one number as many times as there are units in another.
Σελίδα 132 - RULE. — Divide the given number by any prime number, greater than 1, that will divide it, and the quotient, if a composite number, in the same manner; and continue dividing until a prime number is obtained for a quotient. The several divisors and the last quotient will be the prime factors required.
Σελίδα 189 - When a decimal number is to be divided by 10, 100, 1000, &c., remove the decimal point as many places to the left as there are ciphers in the divisor, and if there be not figures enough in the number, prefix ciphers.
Σελίδα 285 - A sphere is a solid, bounded by one continued convex surface, every point of which is equally distant from a point within, called the centre.
Σελίδα 136 - The greatest common divisor of two or more numbers is the greatest number "that will divide each of them without a remainder. Thus 6 is the greatest common divisor of 12, 18, and 24.
Σελίδα 86 - Weight is used in mixing medicines. TABLE. 20 Grains (gr.) make 1 Scruple, sc. or B 3 Scruples " 1 Dram, dr. or 3 8 Drams
Σελίδα 231 - Boston $1000, $250 of which is to be paid in 4 months, $350 in 8 months, and the remainder in 12 months ; what is the average time for the payment of the whole sum"?
Σελίδα 231 - Multiply each payment by the time before it is due, then divide the sum of the products by the sum of the payments, and the quotient will be the true time required.