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-keepingJohn Paine, 1841 - 284 σελίδες |
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Σελίδα vi
... means of blocks , which accom- pany this work . These are some of the predominant traits of this work . Others might be mentioned , but , by the examination of these , the reader will be qualified to decide on their comparative value ...
... means of blocks , which accom- pany this work . These are some of the predominant traits of this work . Others might be mentioned , but , by the examination of these , the reader will be qualified to decide on their comparative value ...
Σελίδα vii
... mean time , to divert the attention of the pupil to less useful subjects ? The blocks , illustrative of the rule for ... means , might fail to per- ceive . By observing these , he will see the reason why his product , in decimals ...
... mean time , to divert the attention of the pupil to less useful subjects ? The blocks , illustrative of the rule for ... means , might fail to per- ceive . By observing these , he will see the reason why his product , in decimals ...
Σελίδα 17
... mean one book , or more than one ? Q. When we speak of a single thing , then , what is it called ? A. A unit , or one . Q. What are one unit and one more , or one and one , called ? Q. What are two units and one more , or two and one ...
... mean one book , or more than one ? Q. When we speak of a single thing , then , what is it called ? A. A unit , or one . Q. What are one unit and one more , or one and one , called ? Q. What are two units and one more , or two and one ...
Σελίδα 27
... means , if he can add any wo numbers together , both under 10 , he may be taught to add any number smaller than 10 to any number larger than 10 . The following may be added by calling each finger a figure . Care should be exercised ...
... means , if he can add any wo numbers together , both under 10 , he may be taught to add any number smaller than 10 to any number larger than 10 . The following may be added by calling each finger a figure . Care should be exercised ...
Σελίδα 28
... mean by the same name , or denomination ? A. All pounds , all dollars , all cents , or all drams , & c . Q. How many are 20 and 30 ? What do you call the 50 ? A. Amount . It is thought advisable , whenever the operation of the first sum ...
... mean by the same name , or denomination ? A. All pounds , all dollars , all cents , or all drams , & c . Q. How many are 20 and 30 ? What do you call the 50 ? A. Amount . It is thought advisable , whenever the operation of the first sum ...
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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
Δημοφιλή αποσπάσματα
Σελίδα 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.
Σελίδα 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.
Σελίδα 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.
Σελίδα 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.
Σελίδα 74 - In 3 ? In 4 ? In 5 ? In 6? In 7? In 8? In 9? In 10? In 20? In 50? In 100?
Σελίδα 246 - Subtract the cube thus found from the said period, and to the remainder bring down the next period, and call this the dividend.
Σελίδα 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.
Σελίδα 241 - Multiply the triple square by the last quotient figure, and write the product under the dividend; multiply the...
Σελίδα 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.
Σελίδα 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.