Intuitive calculations; the readiest and most concise methods

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Seite 39 - Troy Weight 24 grains = 1 pennyweight. 20 pennyweights = 1 ounce. 12 ounces = 1 pound.
Seite 33 - When the divisor is large, the pupil will find assistance in determining the quotient figure, by finding how many times the first figure of the divisor is contained in the first figure, or if necessary, the first two figures of the dividend.
Seite 55 - The Ram, the Bull, the Heavenly Twins And next the Crab, the Lion shines, the Virgin and the Scales, The Scorpion, Archer and Sea-Goat, the Man that holds the Watering Pot, And Fish with Glittering Tails.
Seite 32 - DIVISION we find how many times one number is contained in another. The number to be divided, is called the DIVIDEND ; the number by which to divide is called the DIVISOR; the number of times the dividend contains the divisor is called the QUOTIENT.
Seite 121 - To find what any number of pence per day will amount to in a year. RULE.
Seite 28 - ... the sum of the parts is equal to the whole, so must the sum of the differences of all the similar parts be equal to the difference of the whole. 2. When any figure of the greater number is less than its correspondent figure in the less, the ten, which is added by the rule, is the value of...
Seite 109 - RULE. — 1f it be an ounce avoirdupois, take the shillings as farthings, and multiply by three ; if it be an ounce troy, multiply by four.
Seite 146 - If the tree tapers regularly from one end to the other, the breadth and thickness, taken in the middle, will be the mean breadth and thickness.
Seite 31 - Annex as many ciphers to the multiplicand as there are nines in the multiplier, and from the number thus produced, subtract the multiplicand ; the remainder will be the product.
Seite 66 - Double the time of the sun's rising, which gives the length of the night, and double the time of setting, which gives the length of the day.

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