The Illustrative Practical Arithmetic by a Natural Method ... |
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Page 96
... prime number . What is a prime number ? Name all the prime numbers from 1 to 50 ; all the compo- site numbers to 50 . 176. A factor that is a prime number is called a prime factor . What is a prime factor ? Name the prime factors of 12 ...
... prime number . What is a prime number ? Name all the prime numbers from 1 to 50 ; all the compo- site numbers to 50 . 176. A factor that is a prime number is called a prime factor . What is a prime factor ? Name the prime factors of 12 ...
Page 97
... . * Digits are numbers represented by the nine figures 1 , 2 , 3 , 4 , 5 , 6 , 7 , 8 , 9 , without regard to the order of their units . 179. PRIME NUMBERS TO 1201 . 12 61 67 151 7 ART . 178. ] 97 FACTORS OF NUMBERS .
... . * Digits are numbers represented by the nine figures 1 , 2 , 3 , 4 , 5 , 6 , 7 , 8 , 9 , without regard to the order of their units . 179. PRIME NUMBERS TO 1201 . 12 61 67 151 7 ART . 178. ] 97 FACTORS OF NUMBERS .
Page 98
... prime factor less than 7 ( excepting 1 ) . Nos . Factors . Nos . Factors . Nos . Factors . Nos . Factors . Nos . Factors . 49 72 , * 289 172 , 469 7 , 67 9 623 7 , 89 779 19 , 41 77 7 , 11 299 13 , 23 473 11 , 43 629.17 , 37 781 11 , 71 ...
... prime factor less than 7 ( excepting 1 ) . Nos . Factors . Nos . Factors . Nos . Factors . Nos . Factors . Nos . Factors . 49 72 , * 289 172 , 469 7 , 67 9 623 7 , 89 779 19 , 41 77 7 , 11 299 13 , 23 473 11 , 43 629.17 , 37 781 11 , 71 ...
Page 99
... prime . Ans . 2 , 2 , 3 , and 3 . - - Three 2's of 2's Explanation . - As 36 is an even number , we know that 2 is one of the prime factors of 36. Taking 2 as a divisor , 36 is found to equal eighteen 2's ; 18 equals nine 2's ; 9 equals ...
... prime . Ans . 2 , 2 , 3 , and 3 . - - Three 2's of 2's Explanation . - As 36 is an even number , we know that 2 is one of the prime factors of 36. Taking 2 as a divisor , 36 is found to equal eighteen 2's ; 18 equals nine 2's ; 9 equals ...
Page 100
... prime number . 3. This quotient and the several divisors are the prime factors . NOTE . The work may sometimes be shortened by dividing by a compos- ite number , remembering afterwards to substitute the factors of that num- ber for the ...
... prime number . 3. This quotient and the several divisors are the prime factors . NOTE . The work may sometimes be shortened by dividing by a compos- ite number , remembering afterwards to substitute the factors of that num- ber for the ...
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The Illustrative Practical Arithmetic by a Natural Method: With Dictation ... George Augustus Walton No preview available - 2013 |
Common terms and phrases
acres amount apples Arithmetic average date barrel bought bushels called Change contains cord cost cube root decimal decimeter denominator derive the following diameter Dictation Exercises dimes divided dividend division divisor dollars Dry Measure equal Explanation fractional number frustum gain greatest common factor hence hundred ILLUSTRATIVE EXAMPLE inches integral number least common multiple length long ton March 9 measure meter metric system miles mills minuend months multiplicand multiplier NOTE number expressed number of units OPERATION orders of units ounces paid payment pecks percentage pounds premium prime factors principal pupil quarts quotient rate per cent ratio receive remain rods RULE sell slant height sold solid square root subtraction subtrahend surface tens thousand triangle units of higher weight wide write a figure yards of cloth zeros
Popular passages
Page 165 - DRY MEASURE 2 pints (pt.) = 1 quart (qt.) 8 quarts =1 peck (pk.) 4 pecks = 1 bushel (bu...
Page 166 - The circumference of a circle is supposed to be divided into 360 equal parts, called degrees; each degree into 60 minutes, and each minute into 60 seconds. Degrees, minutes, and seconds are designated by the characters °, ', ". Thus 23° 14' 35" is read 23 degrees, 14 minutes, and 35 seconds.
Page 158 - Square Measure 144 square inches (sq. in.) = 1 square foot (sq. ft.) 9 square feet = 1 square yard (sq. yd.) 30| square yards — 1 square rod (sq. rd.) 160 square rods = 1 acre (A.) 640 acres = 1 square mile (sq.
Page 166 - A circle is a plane figure bounded by a line, every part of which is equally distant from : a point within called the centre ; as AEFGBD.
Page 155 - Measure 12 inches (in.) = 1 foot (ft.) 3 feet = 1 yard (yd.) 5$ yards or 16$ feet = 1 rod (rd.) 320 rods or 5280 feet = 1 mile (mi.) Square Measure 144 square inches (sq.
Page 163 - A pile of wood 4 feet wide, 4 feet high, and 8 feet long, contains 1 cord. A pile 4 feet wide, 4 feet high, and 1 foot long, contains 1 cord foot.
Page 318 - Separate the multiplier into convenient factors, multiply the multiplicand by one of the factors, and that product by another factor, and so on, till all the factors are employed ; the last prod* net is the true answer ; thus, 41 X 25 = 41 X 5 X 5.
Page 273 - If 15 men can do a piece of work in 12 days, how many men can do it in 20 days ? Ans. 9 men. 3. If 72 cents is paid for 6 hours' washing, how much should be paid for 8£ hours
Page 321 - ... accrued upon the yearly interests, then to cancel the yearly interests themselves, and then towards the payment of the principal. 3. Proceed in the same way with succeeding payments, computing, however, no interest beyond the time of settlement.
Page 65 - TABLE. 10 Mills (m.) = 1 Cent . . ct. 10 Cents = 1 Dime . . d. 10 Dimes = 1 Dollar . $. 10 Dollars = 1 Eagle . E.