The Werner Arithmetic: Oral and Written. Book III--parts I and IIAmerican book Company, 1903 - 382 σελίδες |
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Σελίδα 63
... factor of the number . An exact integral divisor of a num- ber is an integral factor of the number . * NOTE . - The word factor is often loosely used for integral factor . Properties of Numbers . 152. PRIME FACTORS . 1. An BOOK THREE PART I ...
... factor of the number . An exact integral divisor of a num- ber is an integral factor of the number . * NOTE . - The word factor is often loosely used for integral factor . Properties of Numbers . 152. PRIME FACTORS . 1. An BOOK THREE PART I ...
Σελίδα 64
... PRIME FACTORS . 1. An integral factor that is a prime number is a prime factor . 5 is a prime factor of 30 . 7 is a prime factor of and 3 is a prime factor of and 2 and 3 are prime factors of and and 3 and 5 are prime factors of and and ...
... PRIME FACTORS . 1. An integral factor that is a prime number is a prime factor . 5 is a prime factor of 30 . 7 is a prime factor of and 3 is a prime factor of and 2 and 3 are prime factors of and and 3 and 5 are prime factors of and and ...
Σελίδα 65
... prime factors found in every one of the numbers , and may contain other prime factors . - - 150 = 2 × 3 × 5 × 5 . 48 2 x 2 x 2 × 2 × 3 . A common multiple of 48 and 150 must contain four 2's , one 3 , and two 5's . It may contain other ...
... prime factors found in every one of the numbers , and may contain other prime factors . - - 150 = 2 × 3 × 5 × 5 . 48 2 x 2 x 2 × 2 × 3 . A common multiple of 48 and 150 must contain four 2's , one 3 , and two 5's . It may contain other ...
Σελίδα 66
... prime factors . Take as factors of the 1. c . m . the greatest number of 2's , 3's , 5's , 7's , etc. , found in any one of the numbers . EXAMPLE . Find the 1. c . m . of 24 , 35 , 36 , and 50 . OPERATION . 242 × 2 × 2 × 3 . 35 = 5 x 7 ...
... prime factors . Take as factors of the 1. c . m . the greatest number of 2's , 3's , 5's , 7's , etc. , found in any one of the numbers . EXAMPLE . Find the 1. c . m . of 24 , 35 , 36 , and 50 . OPERATION . 242 × 2 × 2 × 3 . 35 = 5 x 7 ...
Σελίδα 70
... prime factors of 836 . 9. With the prime factors of 836 in mind or represented on the blackboard , tell the following : ( a ) How many times is 19 contained in 836 ? ( b ) How many times is 209 , ( 11 × 19 ) , contained in 836 ? ( c ) ...
... prime factors of 836 . 9. With the prime factors of 836 in mind or represented on the blackboard , tell the following : ( a ) How many times is 19 contained in 836 ? ( b ) How many times is 209 , ( 11 × 19 ) , contained in 836 ? ( c ) ...
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acres Algebra altitude annum bonds bought bushel cent circle circumference common fractions contained cord corn cube root cubic centimeters cubic foot decimal order decimeter Denominate Numbers described in problem diameter discount Divide dividend dollars equal exact divisor exactly divisible EXAMPLE Express the ratio feet long figure Find the amount Find the approximate Find the area Find the cost Find the interest Find the sum gain gallons hundred hundredths inches wide integral number kilograms least common multiple magnitude measured meters miles minuend MISCELLANEOUS REVIEW multiply a number NOTE Observe perimeter piece of land pound primary units prime factors promise to pay pupil pupils image quindecillion rectangular Reduce rhomboid rhombus right angles side sold solid content specific gravity square rods square root subtract surface tenths third thousandths tons triangle value received weight
Δημοφιλή αποσπάσματα
Σελίδα 108 - Multiplying or dividing both terms of a fraction by the same number does not change the value of the fraction.
Σελίδα 262 - TIME 60 seconds (sec.) = 1 minute (min.) 60 minutes =1 hour (hr.) 24...
Σελίδα 239 - Square Measure 144 square inches (sq. in.) = 1 square foot (sq. ft.) 9 square feet = 1 square yard (sq.
Σελίδα 99 - Reduce the fractions to a common denominator and divide the numerator of the dividend by the numerator of the divisor.
Σελίδα 225 - Measures of Length 10 millimeters (mm.) = 1 centimeter (cm.) 10 centimeters = 1 decimeter (dm.) 10 decimeters = 1 meter (m.) 10 meters = 1 dekameter (Dm.) 10 dekameters = 1 hektometer (Hm.) 10 hektometers = 1 kilometer (Km.) 10 kilometers = 1 myriameter (Mm.) Measures of Surface 100 sq.
Σελίδα 247 - CUBIC MEASURE 1728 cubic inches (cu. in.) = 1 cubic foot (cu. ft.) 27 cubic feet = 1 cubic yard (cu. yd.) 128 cubic feet = 1 cord (cd...
Σελίδα 258 - LIQUID MEASURE 4 gills (gi.) = 1 pint (pt.) 2 pints = 1 quart (qt.) 4 quarts = 1 gallon (gal...
Σελίδα 217 - Pupils must learn to think of quantity in metric units. 319. All units in the metric system of measures and weights are derived from the primary unit known as the meter. When the length of the primary unit of this system was determined it was supposed to be one ten-millionth of the distance from the equator to the pole. A pendulum that vibrates seconds is nearly one meter long.* In the names of the derived units of this system the prefix deka means 10; hekto means 100; kilo means 1000; myria means...
Σελίδα 17 - Quantities, or those whose values are given, when not expressed by figures, are usually represented by the first letters of the alphabet, as a, b, c.
Σελίδα 259 - Weight. 349. The standard unit of weight in common use is a pound Avoirdupois. AVOIRDUPOIS WEIGHT. 16 ounces (oz.) = 1 pound (lb.). 2000 pounds = 1 ton (T.). The abbreviation for 1 hundredweight (100 lb.) is cwt.