Ray's Elementary Arithmetic: Embracing Mental and Written Exercises, for Beginners |
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Page 135
... prime and composite . A Prime Number is one that can be exactly divided only by itself and one ; as , 1 , 3 , 5 , 7 , 11 , etc. A Composite Number is one that can be exactly divided by some other number ; as , 4 , 6 , 8 , 9 , etc. NOTE ...
... prime and composite . A Prime Number is one that can be exactly divided only by itself and one ; as , 1 , 3 , 5 , 7 , 11 , etc. A Composite Number is one that can be exactly divided by some other number ; as , 4 , 6 , 8 , 9 , etc. NOTE ...
Page 136
... PRIME FACTORS . 85. The Prime Factors of any number are all the prime numbers that will divide it . EXAMPLE . - What are the prime factors of 60 ? SOLUTION . - On trial , it is found that 60 can be divided by the prime factor 2 ...
... PRIME FACTORS . 85. The Prime Factors of any number are all the prime numbers that will divide it . EXAMPLE . - What are the prime factors of 60 ? SOLUTION . - On trial , it is found that 60 can be divided by the prime factor 2 ...
Page 137
... prime factors 1. Of 18 . 5. Of 154 . 9. Of 900 . 2. Of 45 . 6. Of 242 . 10. Of 1080 . 3. Of 63 . 7. Of 252 . 11. Of 1492 . 4. Of 104 . 8. Of 625 . 12. Of 2436 . CANCELLATION DEFINITIONS . 86. Cancellation is a method of shortening the ...
... prime factors 1. Of 18 . 5. Of 154 . 9. Of 900 . 2. Of 45 . 6. Of 242 . 10. Of 1080 . 3. Of 63 . 7. Of 252 . 11. Of 1492 . 4. Of 104 . 8. Of 625 . 12. Of 2436 . CANCELLATION DEFINITIONS . 86. Cancellation is a method of shortening the ...
Page 139
... prime factors . The prime factors of 42 are 2 , 3 , and 7 ; the prime factors of 54 are 2 , 3 , 3 , and 3. The factors 2 and 3 are the only ones common to both num- bers ; hence , their product , 6 , is the great- est number that will ...
... prime factors . The prime factors of 42 are 2 , 3 , and 7 ; the prime factors of 54 are 2 , 3 , 3 , and 3. The factors 2 and 3 are the only ones common to both num- bers ; hence , their product , 6 , is the great- est number that will ...
Page 140
... prime factors . Multiply the common factors , and their product will be the greatest common divisor . EXAMPLES . Find the greatest common divisor 1. Of 24 and 36 . 7. Of 312 and 429 . 2. Of 72 and 99 . 8. Of 378 and 490 . 3. Of 96 and ...
... prime factors . Multiply the common factors , and their product will be the greatest common divisor . EXAMPLES . Find the greatest common divisor 1. Of 24 and 36 . 7. Of 312 and 429 . 2. Of 72 and 99 . 8. Of 378 and 490 . 3. Of 96 and ...
Common terms and phrases
acres of land annex apiece apples barrels of flour bought bushels cents a pound ciphers cloth column common fraction Compound Numbers CONCLUSION.-Therefore containing cost decimal fraction dimes dividend Division dollars dozen eight Elem equal EXAMPLE.-What EXAMPLES farmer figure Find fourth gallons Give the rule Give the table gram greatest common divisor hektoliter Hence horses hundredths improper fraction inches kilogram least common multiple liters lower denomination lowest terms marbles Measure MENTAL EXERCISES meter Metric Metric System miles million minuend mixed number MODEL SOLUTION multiplicand Multiply OPERATION ounces pecks period pints prime factors proper fraction quarts QUESTIONS FOR REVIEW quotient Reduce the following remainder rods sheep simple numbers square yards subtrahend sugar tens tenths third thousand thousandths three-dollar piece Troy Weight whole number wide worth Write
Popular passages
Page 118 - Thirty days hath September, April. June, and November; All the rest have thirty.one, Save February, which alone Hath twenty.eight; and one day more We add to it one year in four.
Page 142 - Mnltiple of two or more numbers is the least number that can be divided by each of them without a remainder ; thus 30 is the least common multiple of 10 and 15.
Page 180 - 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.
Page 167 - 6 27 685 The denominator to a decimal fraction, although not ex-f pressed, is always understood, and is 1 with as many ciphers annexed as there are places in the numerator.
Page 171 - 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.
Page 110 - Measure 144 square inches (sq. in.) = 1 square foot (sq. ft.) 9 square feet = 1 square yard (sq. yd.) 30j square yards = 1 square rod (sq.
Page 157 - Now .} of f- is a compound fraction, whose value is found by multiplying the numerators together for a new numerator, and the denominators for a new denominator.
Page 117 - TABLE. 60 seconds (sec.) make 1 minute, marked min. 60 minutes 1 hour, hr. 24 hours 1 day, da.
Page 179 - To multiply a decimal by 10, 100, 1000, &c., remove the decimal point as many places to the right as there are ciphers in the multiplier ; and if there be not places enough in the number, annex ciphers.
Page 54 - Begin at the right and multiply each figure of the multiplicand by each successive figure of the multiplier, placing the right.hand figure of each partial product directly under the figure used as a multiplier.