Ray's Elementary Arithmetic: Embracing Mental and Written Exercises, for BeginnersAmerican Book Company, 1879 - 192 σελίδες |
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Σελίδα 18
... added to the greater ; thus , IV denotes four , while VI de- notes six . TABLE OF ROMAN NOTATION . I II III IV V VI IX X · · · One . XXI • • • Twenty - one . Two . XXX • Thirty . • • Three . XL Forty . Four . L • • Fifty . Five . Six ...
... added to the greater ; thus , IV denotes four , while VI de- notes six . TABLE OF ROMAN NOTATION . I II III IV V VI IX X · · · One . XXI • • • Twenty - one . Two . XXX • Thirty . • • Three . XL Forty . Four . L • • Fifty . Five . Six ...
Σελίδα 21
... added . 23. The Sign of Equality is = . It denotes that the quantities between which it stands are equal . Thus , 4 + 5 = 9 is read , 4 plus 5 equals 9 , and it means that the sum of 4 and 5 is 9 . 24. Like numbers only can be added ...
... added . 23. The Sign of Equality is = . It denotes that the quantities between which it stands are equal . Thus , 4 + 5 = 9 is read , 4 plus 5 equals 9 , and it means that the sum of 4 and 5 is 9 . 24. Like numbers only can be added ...
Σελίδα 26
... added , write units under units , tens under tens , and hundreds under hundreds ; and draw a line beneath . OPERATION . ∞ Hund's . Tens . 204 849 698 532 Begin at the units ' column and add , naming results only , thus : 2 , 10 , 19 ...
... added , write units under units , tens under tens , and hundreds under hundreds ; and draw a line beneath . OPERATION . ∞ Hund's . Tens . 204 849 698 532 Begin at the units ' column and add , naming results only , thus : 2 , 10 , 19 ...
Σελίδα 27
... added , plac- ing units under units , tens under tens , etc. , and draw a line beneath . Begin at the right , and add each column separately . Place the units obtained by adding each column under it , and add the tens , if any , to the ...
... added , plac- ing units under units , tens under tens , etc. , and draw a line beneath . Begin at the right , and add each column separately . Place the units obtained by adding each column under it , and add the tens , if any , to the ...
Σελίδα 34
... added ? Are 3 marbles and 9 marbles ? Can they be added ? Why ? What is a Problem ? A solution ? The operation ? The conclusion ? A rule ? How are numbers written in Addition ? Why written thus ? What is the first column at the right ...
... added ? Are 3 marbles and 9 marbles ? Can they be added ? Why ? What is a Problem ? A solution ? The operation ? The conclusion ? A rule ? How are numbers written in Addition ? Why written thus ? What is the first column at the right ...
Συχνά εμφανιζόμενοι όροι και φράσεις
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
Δημοφιλή αποσπάσματα
Σελίδα 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.
Σελίδα 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.
Σελίδα 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.
Σελίδα 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.
Σελίδα 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.
Σελίδα 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.
Σελίδα 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.
Σελίδα 117 - TABLE. 60 seconds (sec.) make 1 minute, marked min. 60 minutes 1 hour, hr. 24 hours 1 day, da.
Σελίδα 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.
Σελίδα 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.