### ‘ι κίμε οι ςώόστερ -”ΐμτανγ ξώιτιξόρ

Ρεμ εμτοπΏσαλε ξώιτιξίρ στιρ σθμόηειρ τοποηεσΏερ.

### –εώιεςϋλεμα

 Notation and Numera 8 Addition 16 Subtraction 26 Multiplication 36 Division 49 Cancellation 65 Common Fractions 77 Decimal Fractions 112
 Percentage 189 Interest 213 Discount 229 Exchange 248 General Analysis 255 Ratio 2il 271 Partnership 286 Progression 311

 Decimal Currency 125 Metric System 137 Compound Numbers 149 Reduction 161
 Mensuration 319 Test Questions 335 Appendix 359

### Ργλοωικό αποσπήσλατα

”εκΏδα 301 - Contents of similar solids are to each other as the cubes of their like dimensions.
”εκΏδα 147 - Dry Measure 2 pints (pt.) =1 quart (qt.) 8 quarts = 1 peck (pk.) 4 pecks = 1 bushel (bu.) 2150.42 cu.
”εκΏδα 318 - A Circle is a plane figure bounded by a curved line every point of which is equally distant from a point within called the center.
”εκΏδα 22 - Write the numbers so that units of the same order stand in the same column and the decimal points in the same vertical line.
”εκΏδα 118 - To divide by 10, 100, 1000, etc., it is necessary only to move the decimal point in the dividend as many places to the left as there are ciphers in the divisor.
”εκΏδα 69 - The greatest common divisor of two or more numbers is the greatest number that will divide each of them without a remainder. Thus 6 is the greatest common divisor of 12, 18, and 24.
”εκΏδα 54 - RULE. Divide as in whole numbers, and from the right hand of the quotient point off as many places for decimals as the decimal places in the dividend exceed those in the divisor.
”εκΏδα 314 - To find the Area of a Triangle when the Three Sides are given. Rule. — From half the sum of the three sides subtract each side separately. Multiply the half sum and the three remainders together, and extract the square root of the product.
”εκΏδα 356 - ... any number divided by 9 will leave the same remainder as the sum of its digits divided by 9.
”εκΏδα 43 - Multiply the multiplicand by one factor, and this product by another, and so on, until all the factors have been used; the last product will be the one required.