Practical and Mental Arithmetic, on a New Plan, in which Mental Arithmetic is Combined with the Use of the Slate: Containing a Complete System for All Practical Purposes ...R.L.Underhill & Company, 1814 |
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Page
... Common Multiple of two or more Numbers , .... 115 117 .119 To find the Greatest Common Divisor of two or more Numbers , ( reference , ) 120 To reduce Fractions of Different Denominators to a Conimon Denominator , 129 Addition of ...
... Common Multiple of two or more Numbers , .... 115 117 .119 To find the Greatest Common Divisor of two or more Numbers , ( reference , ) 120 To reduce Fractions of Different Denominators to a Conimon Denominator , 129 Addition of ...
Page 12
... denominator of any fraction be equal to the numerator of any other fraction ... COMMON MULTIPLE OF TWO OR MORE NUMBERS . Q. 12 is a number produced by ... common multiple of these factors . Q. As the common multiple is a product ...
... denominator of any fraction be equal to the numerator of any other fraction ... COMMON MULTIPLE OF TWO OR MORE NUMBERS . Q. 12 is a number produced by ... common multiple of these factors . Q. As the common multiple is a product ...
Page 9
... common multiple required . More Exercises for the Slate . 3. Find the least ... DENOMINATOR . Q. When fractions have their denominators alike , they may he ... common denominator ? A. To prepare fractions for the operations of addition ...
... common multiple required . More Exercises for the Slate . 3. Find the least ... DENOMINATOR . Q. When fractions have their denominators alike , they may he ... common denominator ? A. To prepare fractions for the operations of addition ...
Page 10
... denominator by for a new denom- inator ? A. By all the other denominators . Q. What do you multiply each numerator ... common denominator . to a common denominator . A. 34 , 38 . A. 13 , 18 4 Reduce and 5. Reduce , and to a common ...
... denominator by for a new denom- inator ? A. By all the other denominators . Q. What do you multiply each numerator ... common denominator . to a common denominator . A. 34 , 38 . A. 13 , 18 4 Reduce and 5. Reduce , and to a common ...
Page 11
... common denominator of 3 , § and † ? OPERATION . 3 ) 3.6 2 ) 1 · 2 1 1 · Ans . 2 X 3 • • · 2 2 1 6 Now , as the denominator of each fraction is 6ths , it is evident that the numerator must be pro- portionably increased ; that is , we ...
... common denominator of 3 , § and † ? OPERATION . 3 ) 3.6 2 ) 1 · 2 1 1 · Ans . 2 X 3 • • · 2 2 1 6 Now , as the denominator of each fraction is 6ths , it is evident that the numerator must be pro- portionably increased ; that is , we ...
Other editions - View all
Practical and Mental Arithmetic, on a New Plan, in Which Mental Arithmetic ... Roswell C. Smith No preview available - 2017 |
Practical and Mental Arithmetic on a New Plan, in Which Mental Arithmetic Is ... Roswell Chamberlain Smith No preview available - 2017 |
Common terms and phrases
12 leaves 20 cents 50 cents acres amount annuity apiece apples barrel bbls broadcloth bushels bushels of rye called ciphers cloth cost common denominator common fraction compound interest contained cord feet cube root derive the following dimes divide dividend divisor dollars equal example Exercises farthings federal money feet long feet wide figure following RULE gain gallons gals gills give greatest common divisor hence hogshead hundred illustrations we derive improper fraction James least common least common multiple length lowest terms miles mills mixed number molasses months Multiply number of terms OPERATION oranges ounces payment pence pints pounds present worth proceed pupil pwts quarts quotient ratio Reduce remainder shillings Slate sold solid feet solid inches square feet square rods square root subtract units whole number write yards of cloth
Popular passages
Page 17 - ... then compute the interest on the principal sum due on the obligation for ONE YEAR, add it to the principal, and compute the interest on the sum paid from the time it was paid up to the end of the year; add it to the sum paid, and deduct that sum from the principal and interest added as above.
Page 16 - Compute the interest to the time of the first payment ; if that be one year or more from the time the interest commenced, add it to the principal, and deduct the payment from the sum total. If there be...
Page 16 - But if any payments be made before one year's interest hath accrued, then compute the interest on the principal sum due on the obligation, for one year, add it to the principal, and compute the interest on the sum paid, from the time it was paid, up to the end of the...
Page 7 - Subtract the cube thus found from the said period, and to the remainder bring down the next period, and call this the dividend.
Page 2 - Multiply the divisor, thus augmented, by the last figure of the root, and subtract the product from the dividend, and to the remainder bring down the next period for a new dividend.
Page 8 - Divide by any number that will divide two or more of the given numbers without a remainder, and set the quotients, together with the undivided numbers, in a line beneath.
Page 12 - Divide the difference of the extremes by the common difference, and the quotient, increased by 1 , will be the answer.
Page 5 - Multiply the second and third terms together, and divide their product by the first term ; the quotient will be the fourth term, or answer, in the same denomination with the third term.
Page 16 - COMPUTE the interest on the principal sum, from the time when the interest commenced to the first time when a payment was made, which exceeds either alone or in conjunction with the preceding payments (if any) the interest at that time due: add that interest to the principal, and from the sum subtract the payment made at that time, together with the preceding payments (if any) and the remainder forms a new principal ; on which, compute and subtract the interest, as upon the first principal: and proceed...