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; Being in Dollars and Cents ... With Exercises for the Slate. To which is Added, a Practical System of Book-keeping |
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Page x
... Amount , given , to find the Principal , .. ... 173 Time , Rate per cent . , and Interest , being given , to find the Principal , ...... 176 The Principal , Interest , and Time , being given , to find the Rate per cent . , .. 176 The ...
... Amount , given , to find the Principal , .. ... 173 Time , Rate per cent . , and Interest , being given , to find the Principal , ...... 176 The Principal , Interest , and Time , being given , to find the Rate per cent . , .. 176 The ...
Page 27
... amount from the book , without making the individual additions for himself . 34. Add 5 twos and 5 threes together : -thus , 2 and 2 are 4 , and 2 are 6 , and 2 are 8 , and 2 are 10 , and 3 are 13 , and 3 are 16 , and 3 are 19 , and 3 ...
... amount from the book , without making the individual additions for himself . 34. Add 5 twos and 5 threes together : -thus , 2 and 2 are 4 , and 2 are 6 , and 2 are 8 , and 2 are 10 , and 3 are 13 , and 3 are 16 , and 3 are 19 , and 3 ...
Page 28
... Amount . It is thought advisable , whenever the operation of the first sum in any rule is given , to direct the pupil , after a careful attention to the questions in the book , to copy the sum on his slate , and from this to answer the ...
... Amount . It is thought advisable , whenever the operation of the first sum in any rule is given , to direct the pupil , after a careful attention to the questions in the book , to copy the sum on his slate , and from this to answer the ...
Page 29
... amount of the last column ? A. I set the whole of it down . PROOF . Q. How do you prove the operation ? A. Begin at the top , and add the figures down- ward , in the same manner as they were added upwards . Q. What must this amount be ...
... amount of the last column ? A. I set the whole of it down . PROOF . Q. How do you prove the operation ? A. Begin at the top , and add the figures down- ward , in the same manner as they were added upwards . Q. What must this amount be ...
Page 30
... amounts of the several sums are divided by 3 , and the quotients given for the answers will be found in sum No. 27 , each quotient being set against the No. of the sum , that he may more readily tell if the sum be right . ( 22. ) Eagles ...
... amounts of the several sums are divided by 3 , and the quotients given for the answers will be found in sum No. 27 , each quotient being set against the No. of the sum , that he may more readily tell if the sum be right . ( 22. ) Eagles ...
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Common terms and phrases
12 cents 12 leaves 25 cents 50 cents acres amount annex broadcloth bushels of rye called cents buy ciphers cloth cost common denominator common fraction common multiple compound interest contained cube currency decimal decimal places derive the following dimes divide dividend divisor dollars drams equal example Exercises farthings federal money feet long figure following RULE gain gallons gals gills give greatest common divisor hence hogshead hundred illustrations we derive improper fraction least common least common multiple leaves 11 lowest terms merchant bought miles mills mixed number molasses months Multiply OPERATION oranges ounces pair pence pints pounds present worth proceed pupil pwts quarts quotient rate per cent ratio Reduce remainder Rufus separatrix shillings Slate sold solid feet square rods subtract tens third term units whole number write yards of cloth
Popular passages
Page 200 - But if any payment 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 year; add it to the sum paid, and deduct that sum from the principal and interest added as above.
Page 199 - 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 after payments made, compute the interest on the balance due to the next payment, and then deduct the payment as above; and in like manner from one payment to another, till all the payments are absorbed; provided the time between one payment and another be one year or more.
Page 183 - 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 241 - 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 74 - In 3 ? In 4 ? In 5 ? In 6? In 7? In 8? In 9? In 10? In 20? In 50? In 100?
Page 246 - Subtract the cube thus found from the said period, and to the remainder bring down the next period, and call this the dividend.
Page 109 - The above process, by close inspection, will be found to consist in multiplying together the two numerators for a new numerator, and the two denominators for a new denominator.
Page 241 - Multiply the triple square by the last quotient figure, and write the product under the dividend; multiply the...
Page 113 - 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 174 - Bought 40 gallons of molasses, at 27 cents a gallon ; but, by accident, 4 gallons leaked out ; at what rate must I sell the remainder, per gallon, to lose nothing ? and how much to gain on the whole cost 20 per cent.