Practical and Mental Arithmetic on a New Plan: In which Mental Arithmetic is Combined with the Use of the Slate ...Roe Lockwood, 1831 - 268 σελίδες |
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Σελίδα
... given to a process imbodying several distinct principles . And is there no convenience in this ? Shall the pupil , when in actual business , be obliged to call off his mind from all other pursuits , to trace a train of deductions ...
... given to a process imbodying several distinct principles . And is there no convenience in this ? Shall the pupil , when in actual business , be obliged to call off his mind from all other pursuits , to trace a train of deductions ...
Σελίδα
... given and the process shown , not a single reason of any operation is adduced ; but the pupil is dogmatically told he must proceed thus and so , and he will come out so and so . This mode of teaching is very much as if a merchant of ...
... given and the process shown , not a single reason of any operation is adduced ; but the pupil is dogmatically told he must proceed thus and so , and he will come out so and so . This mode of teaching is very much as if a merchant of ...
Σελίδα 2
... given , to find the Principal , Time , Rate per cent . , and Interest , being given , to find the Principal , 144 145 · 152 • 155 161 162-3 164 166 The Principal , Interest , and Time , being given , to find the Rate per cent . , 166 ...
... given , to find the Principal , Time , Rate per cent . , and Interest , being given , to find the Principal , 144 145 · 152 • 155 161 162-3 164 166 The Principal , Interest , and Time , being given , to find the Rate per cent . , 166 ...
Σελίδα 3
... given , to find the Circumference , The Circumference of a Circle being given , to find the Diameter , To find the Area of a Circle , To find the Area of a Globe , To find the Solid Contents of a Globe , To find the Solid Contents of a ...
... given , to find the Circumference , The Circumference of a Circle being given , to find the Diameter , To find the Area of a Circle , To find the Area of a Globe , To find the Solid Contents of a Globe , To find the Solid Contents of a ...
Σελίδα 4
... given to the me tal questions , the pupils may be allowed to read in their turns the questions from the book ; thus giving the teacher no further trouble than occasional corrections . By this , the reader will perceive , that the work ...
... given to the me tal questions , the pupils may be allowed to read in their turns the questions from the book ; thus giving the teacher no further trouble than occasional corrections . By this , the reader will perceive , that the work ...
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12 leaves 50 cents acres amount answer apiece apples bbls broadcloth bushels of rye called ciphers cloth cost common fraction compound interest contained cord feet cube currency decimal places derive the following difference dimes divide dividend 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 least common denominator least common multiple length lowest terms merchant bought miles mills mixed number molasses months multiplicand multiply OPERATION oranges ounces payment pence pints pound present worth principal proceed proportion pupil pwts quarts rate per cent ratio Reduce remainder Rufus separatrix shillings Slate sold solid feet square feet square rods square root subtract third term units whole number write yards of cloth
Δημοφιλή αποσπάσματα
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 81 - TABLE. 60 seconds" make 1 minute, marked '. 60 minutes • 1 degree, °. 30 degrees - 1 sign, s. 12 signs or 360° 1 circle, c.
Σελίδα 21 - Decedents," and to repeal said original sections, -and to repeal sections one (1), two (2), three (3), four (4), five (5), six (6), seven...
Σελίδα 76 - Measure. 3 barley corns (bc) make 1 inch, marked in. 12 inches, 1 foot, ft. 3 feet, 1 yard, yd. 5^ yards, 1 rod, pole, or perch.
Σελίδα 242 - 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 246 - Multiply the sum of the extremes by the number of terms, and half the product will be the sum of all the terms.
Σελίδα 227 - A hare starts 12 rods before a greyhound, but is not perceived by him till she has been up 45 seconds ; she scuds away at the rate of 10 miles an hour, and the dog...
Σελίδα 6 - Two 2 Three 3 Four 4 Five 5 Six 6 Seven 7 Eight 8 Nine 9 Ten 10 Eleven 11 Twelve 12 Thirteen 13 Fourteen 14 Fifteen 15 Sixteen 16 Seventeen 17...
Σελίδα 212 - A. 100 feet -í- 50 = 2 tons! 10. How many bricks 8 inches long, 4 inches wide, and 2| inches thick, will build a wall in front of a garden, which is to be 240 feet long, 6 feet high, and 1 foot 6 inches wide ? A.
Σελίδα 256 - Leg are given, to find the Other Leg;— From the square of the hypothenuse subtract the square of the given leg, and the square root of the remainder will be the other. 3. A river, 80 yarda wide, passée by a fort, the walla of which are 60 yard« h ii'li ; now, what is the distance from the top of the wali to the opposite bank ol'the river?