Practical Arithmetic: Uniting the Inductive with the Synthetic Mode of Instruction

Mark H. Newman, 1846 - Arithmetic - 348 pages
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Contents

 Illustration of carrying in Multiplication 66 24 72 Exercises for the Slate 78 General principles in Division 86 58 88 Greatest Common Divisor 95 Reduction of Fractions 104 Common Denominator 112
 Subtraction of Decimals 178 Reduction of Decimals 184 Reduction of Federal Money 191 Division of Federal Money 199 210 238 66 268 Simple Proportion or Rule of Three 306 Evolution 313

Popular passages

Page 227 - If the payment be less than the interest, the surplus of interest must not be taken to augment the principal ; but interest continues on the former principal until the period when the payments, taken together, exceed the interest due, and then the surplus is to be applied towards discharging the principal ; and interest is to be computed on the balance, as aforesaid)
Page 218 - 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.
Page 139 - Weight is used in weighing groceries and 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 " 1 hundred weight, cwt. 20 hundred weight
Page 147 - Thirty days hath September, April, June, and November ; February twenty-eight alone, All the rest have thirty-one ; Except in Leap year, then is the time, When February has twenty-nine.
Page 131 - If the given fractions have a common denominator, divide the numerator of the dividend by the numerator of the divisor. II. When the fractions have not a common denominator, invert the divisor, and proceed as in multiplication of fractions.
Page 110 - 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.
Page 113 - Multiply each numerator into all the denominators except its own for a new numerator, and all the denominators together for a common denominator.
Page 325 - ... and to the remainder bring down the next period for a dividend. 3. Place the double of the root already found, on the left hand of the dividend for a divisor. 4. Seek how often the divisor is contained...
Page 308 - Place the several terms of the multiplier under the corresponding terms of the multiplicand. II. Multiply each term of the multiplicand by each term of the multiplier separately...