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### Contenido

 CHAPTER I 8 Writing Numbers 15 15 The Roman Notation 22 22 Subtraction 45 45 Multiplication 60 82 60 Division 83114 83 CHAPTER II 115 Reduction 123134 123
 Multiplication and Division 180191 180 Tables 192 Reduction 224 Addition 230 Multiplication 237 CHAPTER V 245 Interest 252 Discount 267

 Addition and Subtraction 135138 135 Division 146165 146 CHAPTER III 166 Reductions 172176 172
 General Problems 275 CHAPTER VII 286 CHAPTER VIII 299 The Metric System 305

### Pasajes populares

Página 84 - The dividend is the number to be divided. The divisor is the number by which we divide.
Página 204 - RULE. — Multiply the length (in feet) by the width (in inches) and divide the product by 12 — the result will be the contents in square feet.
Página 133 - This gives a common denominator, because each denominator is the product of all the denominators of the several fractions. The value of any one of the fractions is not changed, because both numerator and denominator are multiplied by the same number (135).
Página 143 - Rule. — Multiply the numerators together for the numerator of the product, and the denominators together for the denominator of the product.
Página 47 - This sign— shows that the number after it is to be subtracted from the number before it; as, 6—4=2, meaning 4 from 6 leaves 2.
Página 263 - Compute the interest on the principal from the date of the note to the time of the first payment. If the payment equals or exceeds the interest, add tlte interest to the principal and subtract the payment.
Página 288 - Hence, the 15875 consists of two factors, one of which is the units' number of the root ; and the other factor is three times the square of the tens + three times the product of the tens by the units + the square of the units. The larger part of this second factor is three times the square of the tens.