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 vii
... operation is adduced ; but the pupil is dogmaticully told he must pro- ceed thus and so , and he will come out so and so . This mode of teach- ing is very much as if a merchant of this city should direct his clerk , withcut intrusting ...
... operation is adduced ; but the pupil is dogmaticully told he must pro- ceed thus and so , and he will come out so and so . This mode of teach- ing is very much as if a merchant of this city should direct his clerk , withcut intrusting ...
Σελίδα viii
... operations with the self - complacent dexterity of a conjurer ; he is not content to be led to the treasures of science blindfold ; he would tear the bandage from his eyes , that he might know the way to them again . " In confirmation ...
... operations with the self - complacent dexterity of a conjurer ; he is not content to be led to the treasures of science blindfold ; he would tear the bandage from his eyes , that he might know the way to them again . " In confirmation ...
Σελίδα xii
... Operations by Slate . He may then take the whole in course . In every school , it would be well to institute classes ; and as there are seldom any answers given to the mental questions , the pupils may be allowed to read in their turns ...
... Operations by Slate . He may then take the whole in course . In every school , it would be well to institute classes ; and as there are seldom any answers given to the mental questions , the pupils may be allowed to read in their turns ...
Σελίδα 28
... operation of the first sum in any rule is given , to direct the pupil , after a careful attention to the questions ... Operation by Slate illustrated . 1. A man bought a cart for 25 dollars , a yoke of oxen for 69 dollars , and a plough ...
... operation of the first sum in any rule is given , to direct the pupil , after a careful attention to the questions ... Operation by Slate illustrated . 1. A man bought a cart for 25 dollars , a yoke of oxen for 69 dollars , and a plough ...
Σελίδα 29
... 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 like ? A. The first amount . More Exercises for the Slate . To save the trouble of having 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 like ? A. The first amount . More Exercises for the Slate . To save the trouble of having the ...
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Συχνά εμφανιζόμενοι όροι και φράσεις
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.