Practical Arithmetic, Uniting the Inductive with the Synthetic Mode of Instruction: Also Illustrating the Principles of Cancelation. For Schools and AcademiesDurrie & Peck, 1846 - 336 σελίδες |
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Σελίδα iii
... operation he performs . There is no uncertainty in the conclusions of mathematics ; there should be no guess - work in its operations . What then is the cause of so much roping and fruitless effort in this department of education ? Why ...
... operation he performs . There is no uncertainty in the conclusions of mathematics ; there should be no guess - work in its operations . What then is the cause of so much roping and fruitless effort in this department of education ? Why ...
Σελίδα vii
... operation explained , it should be done upon the blackboard , so that all may see and understand it at once . To illustrate the increase of numbers , the process of adding , sub- tracting , multiplying , dividing , & c . , the Numerical ...
... operation explained , it should be done upon the blackboard , so that all may see and understand it at once . To illustrate the increase of numbers , the process of adding , sub- tracting , multiplying , dividing , & c . , the Numerical ...
Σελίδα viii
... operation depends , by supposing a more familiar case . Thus the pupil will be able to solve the question himself ... operations alone , but is obliged to look to the answer to know what figure to place in the quotient , or what number ...
... operation depends , by supposing a more familiar case . Thus the pupil will be able to solve the question himself ... operations alone , but is obliged to look to the answer to know what figure to place in the quotient , or what number ...
Σελίδα 23
... operation is called Simple Addition . 19. Signs . Addition is often represented by the sign + , which is called plus . It consists of two lines , one horizontal , the other perpendicular , forming a cross , and shows that the numbers ...
... operation is called Simple Addition . 19. Signs . Addition is often represented by the sign + , which is called plus . It consists of two lines , one horizontal , the other perpendicular , forming a cross , and shows that the numbers ...
Σελίδα 24
... operation may be facilitated by setting them down upon a slate or black board . The manner of doing this will now be explained . OBS . Pupils not unfrequently seem to infer , that when they take up the slate and pencil , they can lay ...
... operation may be facilitated by setting them down upon a slate or black board . The manner of doing this will now be explained . OBS . Pupils not unfrequently seem to infer , that when they take up the slate and pencil , they can lay ...
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Άλλες εκδόσεις - Προβολή όλων
Συχνά εμφανιζόμενοι όροι και φράσεις
12 cents 15 dollars added amount annexed answer barrels of flour bushels called ciphers column common denominator common fraction composite number compound interest COMPOUND NUMBERS contained cube root cubic decimal fractions denotes difference dividend division dollars apiece dolls equal example expressed factors farthings Federal Money feet fourth gain gallons given fractions given number greatest common divisor Hence hogsheads horse hundred hundredths improper fraction inches interest of $1 lars least common multiple merchant bought miles mills mixed number months multiplicand Multiply Operation oranges ounces paid payable pence present worth principal proceed quantity quarts quotient rate per cent ratio receive Reduce remainder right hand rods shillings simple fraction slate sold Solution square root subtract tens tenths third thousandths Troy Weight units weight whole number Write yards of cloth
Δημοφιλή αποσπάσματα
Σελίδα 316 - The square described on the hypothenuse of a rightangled triangle is equal to the sum of the squares described on the other two sides.
Σελίδα 212 - What part of a year is 1 month ? 2 months ? 3 months ? 4 months ? 5 months ? 6 months ? 7 months? 8 months? 9 months? 10 months? 11 months ? 105.
Σελίδα 313 - Multiply the divisor, thus increased, by the last figure of the root; subtract the product from the dividend, and to the remainder bring down the next period for a new dividend.
Σελίδα 223 - 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 223 - 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 71 - The number to be divided is called the dividend. The number by which we divide is called the divisor.
Σελίδα 176 - RULE. Divide as in whole numbers, and from the right hand of the quotient point off as many places for decimals as the decimal places in the dividend exceed those in the divisor.
Σελίδα 133 - Weight is used in weighing groceries ana all coarse articles ; as, sugar, tea, coffee, butter, cheese, flour, hay; &c., and all metals except gold and silver. 16 drams (dr.) make 1 ounce, marked oz. 16 ounces " 1 pound, " Ib. 25 pounds " 1 quarter, " qr. 4 quarters, or 100 Ibs. " 1 hundred weight, " cwt. 20 hundred weight " 1 ton,
Σελίδα 221 - The rule for casting interest, when partial payments have been made, is to apply the payment, in the first place, to the discharge of the interest then due. " If the payment exceeds the interest, the surplus goes towards discharging the principal, and the subsequent interest is to be computed on the balance of principal remaining due.
Σελίδα 104 - To reduce a mixed number to an improper fraction. Multiply the whole number by the denominator of the fraction : to the product add the given numerator. The sum placed over the given denominator, will form the improper fraction required.