Progressive Arithmetic: First-[third] Book, Book 3

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American Book Company, 1906 - Arithmetic
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Page 346 - OF TIME. 60 Seconds = 1 Minute 60 Minutes = 1 Hour 24 Hours = 1 Day 7 Days = 1 Week 28 Days = 1 Lunar Month...
Page 289 - 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.
Page 40 - The dividend is the number to be divided. The divisor is the number by which we divide.
Page 316 - 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.
Page 345 - 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...
Page 350 - 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.
Page 345 - CUBIC MEASURE 1728 cubic inches = 1 cubic foot 27 cubic feet = 1 cubic yard...
Page 299 - 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.
Page 164 - 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.
Page 287 - Multiplying or dividing both terms of a fraction by the same number does not change the value of the fraction.

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