# Progressive Arithmetic, Βιβλίο 3

American Book Company, 1906

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### Περιεχόμενα

 NOTATION AND NUMERATION 7 FUNDAMENTAL PROCESSES integers and decimals 16 FACTORS AND Divisors 55 FRACTIONS 61 METHODS OF SOLVING PROBLEMS including analysis by equations 108 DENOMINATE NUMBERS 133 METRIC SYSTEM 158 PRACTICAL MEASUREMENTS 170
 SIMPLE INTEREST method by aliquot parts six per cent method 230 Present Worth and True Discount 245 EXCIIANGE 268 STOCKS AND Bonds 279 RATIO AND PROPORTION 287 PowERS AND Roots 297 MENSURATION 308 GENERAL REVIEW 331

### Δημοφιλή αποσπάσματα

Σελίδα 344 - OF TIME. 60 Seconds = 1 Minute 60 Minutes = 1 Hour 24 Hours = 1 Day 7 Days = 1 Week 28 Days = 1 Lunar Month...
Σελίδα 287 - The first and fourth terms of a proportion are called the extremes; and the second and third terms the means. Thus, in the • proportion a : b = с : d, a and d are the extremes, and b and с the means.
Σελίδα 40 - The dividend is the number to be divided. The divisor is the number by which we divide.
Σελίδα 314 - 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.
Σελίδα 343 - Square Measure 144 square inches = 1 square foot 9 square feet = 1 square yard 30J square yards = 1 square rod 160 square rods = 1 acre 640 acres = 1 square mile Cubic Measure 1728 cubic inches = 1 cubic foot 27 cubic feet = 1 cubic yard 128 cubic feet...
Σελίδα 348 - Lessons in writing language are employed simultaneously with those in conversation, while picture-study, the study of literary selections, and letter-writing are presented at frequent intervals. The lessons are of a proper length, well arranged, and well graded. The books mark out the daily work for the teacher in a clearly defined manner by telling him what to do, and when to do it.
Σελίδα 343 - CUBIC MEASURE 1728 cubic inches = 1 cubic foot 27 cubic feet = 1 cubic yard...
Σελίδα 297 - The square of a number composed of tens and units is equal to the square of the tens, plus twice the product of the tens by the units, plus the square of the units.
Σελίδα 162 - MEASURE. 10 milliliters = 1 centiliter. 10 centiliters = 1 deciliter. 10 deciliters = 1 liter. 10 liters = 1 decaliter. 10 decaliters = 1 hectoliter. 10 hectoliters = 1 kiloliter.
Σελίδα 285 - Multiplying or dividing both terms of a fraction by the same number does not change the value of the fraction.