Introduction to the National Arithmetic: On the Inductive System : Combining the Analytic and Synthetic Methods with the Cancelling System ... : Designed for Common Schools

Robert S. Davis, and Gould, Kendall, & Lincoln, 1846 - 196 σελίδες

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Περιεχόμενα

 50 13 63 14 67 15 Numeration 2 Addition 16 Subtraction 17 Multiplication 25 Division 31 Application of the preceding Rules 35
 Division of Decimals 113 Reduction of Decimals 114 Exercises in Decimals 117 Simple Interest 119 Partial Payments 126 Commission and Brokerage 128 Insurance and Policies 129 Stocks 38 Banking 130

 Tables of Money Weights and Measures 36 United States Money 43 Compound Addition 49 Compound Subtraction 51 Exercises in Compound Addition and Subtraction 53 Reduction 13 Reduction Descending 57 Reduction Ascending 60 Miscellaneous 61 Compound Multiplication 65 Compound Division 69 Bills 73 Fractions 84 Vulgar Fractions 89 Addition of Vulgar Fractions 92 Subtraction of Vulgar Fractions 94 Multiplication of Vulgar Fractions 98 Division of Vulgar Fractions 102 Exercises in Vulgar Fractions 106 Decimal Fractions 108 Addition of Decimals 109 Subtraction of Decimals 110 Multiplication of Decimals 111
 Discount 131 Compound Interest 132 Equation of Payments 135 Proportion 139 Compound Proportion 143 Company Business 145 Double Fellowship 147 Duodecimals 149 Involution 150 Evolution or the Extraction of Roots 151 Extraction of the Cube Root 156 Geometrical Problems 161 Miscellaneous Questions APPENDIX Cancelling Method SUPPLEMENT 167 94 168 98 169 113 174 117 179 129 184 137 190 151 191 173 194

Δημοφιλή αποσπάσματα

Σελίδα 35 - Multiply the whole number by the numerator of the fraction, and divide the product by the denominator ; or divide the whole number by the denominator of the fraction, and multiply the quotient by the numerator.
Σελίδα 43 - Thirty days hath September, April, June, and November ; All the rest have thirty-one, Except the second month alone, Which has but twenty-eight, in fine, Till leap year gives it twenty-nine.
Σελίδα 137 - ... 8 months ; what is the equated time for the payment of the whole ? Ans.
Σελίδα 150 - Multiply each term in the multiplicand, beginning at the lowest, by the feet of the multiplier, and write each result under its respective term, observing to carry a unit for every 12 from each denomination to its next superior.
Σελίδα 147 - ... feet deep ; in how many days of 9 hours each, will 24 men dig a trench of 4 degrees of hardness, and 337£ feet long, 5\$ feet wide, and 3£ feet deep ? Ans.
Σελίδα 91 - To find the value of a fraction in the known parts of the integer, as of coin, weight, measure, fyc.
Σελίδα 158 - CUBE is any number multiplied by its square. To extract the cube root, is to find a number which, being multiplied into its square, shall produce the given number. RULE.
Σελίδα 9 - Los números cardinales 0: zero 1: one 2: two 3: three 4: four 5: five 6: six 7: seven 8: eight 9: nine 10: ten 11: eleven 12: twelve 13: thirteen 14: fourteen 15: fifteen 16: sixteen 17: seventeen 18: eighteen 19: nineteen 20: twenty...
Σελίδα 159 - 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 33 - Subtract this product from the figures above it ; to the remainder bring down the next figure of the dividend, and divide as before, until all the figures of the dividend are brought down.