The Elements of Arithmetic, Oral and Written: Designed for Pupils in the Third and Fourth Grades of City SchoolsAmerican Book Company, 1877 - 208 σελίδες |
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Σελίδα 148
... least prime factor 2 , and the quo- tient , also by 2 . Next divide by the prime number 3 and 3 successively ... COMMON DIVISORS . 208. A Common Divisor of two or 148 ELEMENTS OF ARITHMETIC .
... least prime factor 2 , and the quo- tient , also by 2 . Next divide by the prime number 3 and 3 successively ... COMMON DIVISORS . 208. A Common Divisor of two or 148 ELEMENTS OF ARITHMETIC .
Σελίδα 152
... common to 6 , and 5 times 6 ? 4. Name some numbers exactly divisible by 4 and 6 . 5. By what three prime numbers can 42 be divided ? 6. Name some numbers of which 3 and 4 are factors . 7. Find the ... least common multiple MULTIPLES. ...
... common to 6 , and 5 times 6 ? 4. Name some numbers exactly divisible by 4 and 6 . 5. By what three prime numbers can 42 be divided ? 6. Name some numbers of which 3 and 4 are factors . 7. Find the ... least common multiple MULTIPLES. ...
Σελίδα 153
... least common multiple . 1. Find the least common multiple of 30 , 42 , and 66 . OPERATION . 30 = 2 × 3 × 5 422 x 3 x 7 66 = 2 × 3 × 11 2 × 3x11x7x5 = 2310 ANALYSIS . - The least common multiple cannot be less than the largest number 66 ...
... least common multiple . 1. Find the least common multiple of 30 , 42 , and 66 . OPERATION . 30 = 2 × 3 × 5 422 x 3 x 7 66 = 2 × 3 × 11 2 × 3x11x7x5 = 2310 ANALYSIS . - The least common multiple cannot be less than the largest number 66 ...
Σελίδα 154
... least number of marbles that can be divided equally among 12 , 18 , and 24 boys ? 16. What is the smallest sum of ... common multiple ɔf 12 , 16 , 24 , and 32 , multiplied by their greatest common divisor ? 18. Divide the least common ...
... least number of marbles that can be divided equally among 12 , 18 , and 24 boys ? 16. What is the smallest sum of ... common multiple ɔf 12 , 16 , 24 , and 32 , multiplied by their greatest common divisor ? 18. Divide the least common ...
Σελίδα 170
... common multiple of 2 and 3 ? 12. What is the least common multiple of 2 , 5 , and 10 ? 13. What is a common multiple of the denominators of 1 , 1 , and 1 ? 14. What is the least common multiple of the denomi- nators of ,, and ? 15. Find a ...
... common multiple of 2 and 3 ? 12. What is the least common multiple of 2 , 5 , and 10 ? 13. What is a common multiple of the denominators of 1 , 1 , and 1 ? 14. What is the least common multiple of the denomi- nators of ,, and ? 15. Find a ...
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12 rods 20 cents 50 cents 9 cents acres acres of land added ANALYSIS.-Since apples bales barrels of flour bushels of oats bushels of wheat cents a bushel cents a pound ciphers coal cost column contained cords of wood cubic foot decimal dictation exercises difference dividend dollars DRILL EXERCISES earn equal farm farmer sold fifths figures Find the sum fourth gain gallons given numbers greatest common divisor Hence horses hundreds improper fractions inches integers least common denominator least common multiple less number manner minuend mixed numbers OPERATION ORAL EXERCISES order of units paid pair partial product pounds of sugar pounds of tea prime factors pupil quarts quotient receive remainder result rods RULE.-I sell SLATE AND BOARD square feet square miles subtract subtrahend tens third thousand tons of coal whole number worth WRITTEN EXERCISES yards of cloth
Δημοφιλή αποσπάσματα
Σελίδα 82 - TIME 60 seconds (sec.) = 1 minute (min.) 60 minutes =1 hour (hr.) 24...
Σελίδα 106 - 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.
Σελίδα 162 - RULE. I. Write the subtrahend under the minuend, so that units of the same denomination shall stand under each other.
Σελίδα 114 - The pupil should be required to illustrate the following problems by original examples : 1. Given, several numbers, to find their sum. 2. Given, the sum of several numbers and all of them but one, to find that one. 3. Given, two numbers, to find their difference.
Σελίδα 163 - RULE. Multiply as in whole numbers, and from the right hand of the product point off as many figures for decimals as there are decimal places in both factors.
Σελίδα 126 - Divide the product of the remaining factors of the dividend by the product of the remaining factors of the divisor, and the result will be tlie quotient.
Σελίδα 121 - Divide the less number by the remainder, the last divisor by the last remainder, and so on, till nothing remains. The last divisor will be the greatest common divisor sought.
Σελίδα 97 - It is read equals, or equal to ; thus, 5 + 6 = 11, is read 5 plus 6 equals 11. It may be read 5 and 6 arc 11. 64. An Equation is an expression of equality between two numbers or sets of numbers. All that is written before the sign of equality is called the first member of the equation, all that is written after the sign of equality is called the second member.
Σελίδα 119 - 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.
Σελίδα 164 - 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.