The Junior-class Arithmetic: Oral and Written : Designed for Graded Schools |
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Page 85
... greatest divisor common to 15 and 45 ? To 26 and 39 ? To 18 , 36 and 72 ? 9. Name four odd numbers of which 7 is a common divisor . Four even numbers . 10. Name three numbers of which 6 and 9 are com- mon divisors ... COMMON DIVISORS . 85.
... greatest divisor common to 15 and 45 ? To 26 and 39 ? To 18 , 36 and 72 ? 9. Name four odd numbers of which 7 is a common divisor . Four even numbers . 10. Name three numbers of which 6 and 9 are com- mon divisors ... COMMON DIVISORS . 85.
Page 86
... greatest common divisor of 30 , 45 , and 60 ? Of 18 , 36 , 45 and 72 ? 134. PRINCIPLES . - 1 . The only exact divisors of a number are its prime factors , or the product of two or more of them . 2. An exact divisor divides any number of ...
... greatest common divisor of 30 , 45 , and 60 ? Of 18 , 36 , 45 and 72 ? 134. PRINCIPLES . - 1 . The only exact divisors of a number are its prime factors , or the product of two or more of them . 2. An exact divisor divides any number of ...
Page 87
... greatest common divisor of 28 , 42 and 70 ? 1st OPERATION . - 28 7 × 2 × 2 42 7 x 2 x 3 70 = 7 × 2 × 5 Hence 7x2 = 14 . 2D OPERATION . 2 28 42 70 714 21 3 5 2 3 5 ANALYSIS ... greatest common divisor 6. Of 96 and 288 COMMON DIVISORS . 87.
... greatest common divisor of 28 , 42 and 70 ? 1st OPERATION . - 28 7 × 2 × 2 42 7 x 2 x 3 70 = 7 × 2 × 5 Hence 7x2 = 14 . 2D OPERATION . 2 28 42 70 714 21 3 5 2 3 5 ANALYSIS ... greatest common divisor 6. Of 96 and 288 COMMON DIVISORS . 87.
Page 88
... common divisor 6. Of 96 and 288 . 7. Of 264 and 418 . 8. Of 56 , 72 and 92 . 9. Of 45 , 27 and 54 . 10. Of 36 , 48 ... greatest common divisor of 84 and 203 . OPERATION . 203 84 2 168 702 35 14 2 28 142 7 0 ANALYSIS . - Draw two vertical ...
... common divisor 6. Of 96 and 288 . 7. Of 264 and 418 . 8. Of 56 , 72 and 92 . 9. Of 45 , 27 and 54 . 10. Of 36 , 48 ... greatest common divisor of 84 and 203 . OPERATION . 203 84 2 168 702 35 14 2 28 142 7 0 ANALYSIS . - Draw two vertical ...
Page 89
Oral and Written : Designed for Graded Schools Daniel W. Fish. Find the greatest common divisor 2. Of 154 and 210 . 3. Of 316 and 664 . 4. Of 126 and 189 . 5. Of 225 and 270 . RULE.-I. Draw two vertical lines and write the two numbers ...
Oral and Written : Designed for Graded Schools Daniel W. Fish. Find the greatest common divisor 2. Of 154 and 210 . 3. Of 316 and 664 . 4. Of 126 and 189 . 5. Of 225 and 270 . RULE.-I. Draw two vertical lines and write the two numbers ...
Common terms and phrases
12 cents 25 cents 9 cents ANALYSIS ANALYSIS.-Since ANALYSIS.-The barrels of flour blocks bought bushels cents a pound ciphers column common fraction contained cord cost cubic feet cubic foot cubic inches decimal fraction decimal places difference Discount divided dividend dollars Dry Measure equal exactly divisible expressed farmer sold figures Find the interest foot fourths fractional units gain gallons given number greatest common divisor Hence hundred hundredths improper fraction integer least common denominator least common multiple less lowest terms Measure miles mills minuend mixed number multiplicand Multiply nator OPERATION paid piece pints prime factors principal PRINCIPLES.-1 proper fractions pupil quarts quotient rate per cent Reduce remainder rods Rule RULE.-Divide RULE.-I selling square subtract subtrahend TABLE tens tenths thousand thousandths tons weight wide write WRITTEN EXERCISES
Popular passages
Page 48 - DIVISION is the process of finding how many times one number is contained in another, or of finding one of the equal parts of a number.
Page 270 - Find the amount of this principal for the next period; and so continue till the end of the given time. III. Subtract the given principal from the last amount, and the remainder will be the compound interest. When...
Page 76 - The Greatest Common Divisor of two or more numbers is the greatest number that will exactly divide each of them. Thu4, 18 is the greatest, common divisor of 36 and 54, since it is the greatest number that will divide each of them without a remainder.
Page 128 - Reduce the fractions to a common denominator and divide the numerator of the dividend by the numerator of the divisor.
Page 287 - The Liter is the unit of capacity, both of Liquid and of Dry Measures, and is a vessel whose volume is equal to a cube whose edge is one-tenth of a meter, equal to 1.05673 qt. Liquid Measure, and .9081 qt. Dry Measure, TABLE. 10 Milliliters, ml.
Page 203 - 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 64 - I. Cut off the ciphers from the right of the divisor, and as many figures from the right of the dividend. II. Divide the remaining part of the dividend by the of the divisor.
Page 197 - Weight is used in weighing gold, silver, jewels, and in philosophical experiments. TABLE. 24 Grains (gr.) = 1 Pennyweight . pwt. 20 Pennyweights = 1 Ounce . . . . oz. 12 Ounces = 1 Pound . . . . Ib. 1 Ib. C 5760 gr. .< 240 put. ( 12 oz. 36. TABLE. DIAMOND WEIGHT. 16 Parts = 1 Grain. 4 Grains — 1 Carat. 1 Carat = 3i Troy gr., nearly. ASSAYERS
Page 25 - PROOF. — Add the remainder to the subtrahend, and if the sum is equal to the minuend, the work is correct.
Page 192 - A Cord of wood is a pile 8 ft. long, 4 ft. wide, and 4 ft. high ; for 8 x 4 x 4 = 128.