# Practical Arithmetic, Uniting the Inductive with the Synthetic Mode of Instruction ...: For Schools and Academies

Durrie & Peck, 1846 - 376 sider

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### Innhold

 Suggestions on the mode of teaching Arithmetic 7 9 Numeration 15 Division Mental Exercises 19 Exercises for the Slate 24 Proof of Addition 30 SECTION III 36 Illustration of the principle of borrowing 42 SECTION IV 50
 To find the area of surfaces 153 Compound Subtraction 160 DECIMAL FRACTIONs 167 Subtraction of Decimals 174 Compound Division 175 Reduction of Decimals 180 Reduction of Federal Money 187 Division of Federal Money 195

 Exercises for the Slate 56 General Rule 62 Short Division 78 General principles in Division 91 FRACTIONs Mental Exercises 104 Least common Denominator 110 Multiplication of Fractions 116 Cancelation applied to Multiplication of Fractions 124 SECTION VII 132 The Avoirdupois Pound of the United States and Great Britain 140
 Applications of Percentage 206 General method for computing Interest 216 Partial payments Rule adopted by the United States 223 Compound Interest 232 Bank Discount 238 DUTIEs 252 Definition of Arithmetical terms 261 SECTION XI 269 gº Barter Ex 5160 278 Ditto cº 4 Compd Proportion Ex 101106284 284

### Populære avsnitt

Side 321 - ... 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...
Side 214 - 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.
Side 106 - 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.
Side 263 - ... any number divided by 9, will leave the same remainder, as the sum of its figures, or digits, divided by 9 : which may be thus demonstrated.
Side 230 - RULE. Divide the given interest by the interest of \$1 for the given time, and the quotient will be the answer.
Side 73 - The number to be divided is called the dividend. The number by which we divide is called the divisor.
Side 135 - 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
Side 109 - Multiply each numerator into all the denominators except its own for a new numerator, and all the denominators together for a common denominator.
Side 93 - A common multiple of two or more numbers is a number that can be divided by each of them without a remainder ; thus 12 is a common multiple of 3 and 4.
Side 315 - 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. 5. Double the whole root already found for a new divisor, and continue the operation as before, until all the periods are brought down.