The Model Mental Arithmetic: Containing Oral Exercises for Graded and Grammar SchoolsEldredge & Brother, 1876 - 184 σελίδες |
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Σελίδα 10
... denotes the number of units which it represents . Thus , O , named naught , or cipher , denotes nothing , or the absence of number ; 2 is called two , and denotes two units ; 3 is called three , and denotes three ; etc. 25. Units of the ...
... denotes the number of units which it represents . Thus , O , named naught , or cipher , denotes nothing , or the absence of number ; 2 is called two , and denotes two units ; 3 is called three , and denotes three ; etc. 25. Units of the ...
Σελίδα 11
... denotes ones , and the left- hand figure denotes tens . 30. A unit of the third order , or one hun- dred , is expressed by writing the figure 1 with two ciphers after it ; thus , 100 . In the same manner are expressed Two hundred , 200 ...
... denotes ones , and the left- hand figure denotes tens . 30. A unit of the third order , or one hun- dred , is expressed by writing the figure 1 with two ciphers after it ; thus , 100 . In the same manner are expressed Two hundred , 200 ...
Σελίδα 12
... denotes ones , the middle figure denotes tens , and the left - hand figure hundreds . 34. A unit of the fourth order , or one thou- sand , is expressed by writing 1 with three ciphers after it ; thus , 1000 . In the same manner are ...
... denotes ones , the middle figure denotes tens , and the left - hand figure hundreds . 34. A unit of the fourth order , or one thou- sand , is expressed by writing 1 with three ciphers after it ; thus , 1000 . In the same manner are ...
Σελίδα 13
... denotes 8 tens , or units of the second order ; and 9 denotes 9 hun- dreds , or units of the third order . The number is read nine hundred and eighty - seven . Definitions . 39. Notation is the method of expressing numbers by figures ...
... denotes 8 tens , or units of the second order ; and 9 denotes 9 hun- dreds , or units of the third order . The number is read nine hundred and eighty - seven . Definitions . 39. Notation is the method of expressing numbers by figures ...
Σελίδα 15
... denote ? By three ? By two ? By four ? 6. Tell what order of units each figure in the following numbers denotes ; tell how many of each order ; read each number , and write it in words : 10 11 100 908 1000 8190 4000 20 24 200 706 2000 ...
... denote ? By three ? By two ? By four ? 6. Tell what order of units each figure in the following numbers denotes ; tell how many of each order ; read each number , and write it in words : 10 11 100 908 1000 8190 4000 20 24 200 706 2000 ...
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The Model Mental Arithmetic; Containing Oral Exercises for Graded and ... Edgar Arthur Singer Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2011 |
Συχνά εμφανιζόμενοι όροι και φράσεις
12 cents acres amount Analysis apples bought brokerage bushels cents a pound changed ciphers common divisor common fraction contained cords cost cows cubic decimal places decimal units Denominate Number denotes difference dimes divided dividend dollars dozen dry measure earn eighths equal Exercises expressed farmer feet fifths foot fourths fractional unit gain gallons greatest common divisor grocer Hence hundred hundredths improper fraction inches integer interest of $50 invested least common denominator least common multiple least number less loss measures miles mills minuend mixed number Model multiplied orders of units ounces paid pecks pennyweights Percentage piece pints present worth prime factors Principles quarts quotient rate of premium receive remainder reverse rods shares sixths sold subtract subtrahend tens tenths thousandths Troy weights True Discount units or denominations weeks weight yards of cloth
Δημοφιλή αποσπάσματα
Σελίδα 138 - TIME 60 seconds (sec.) = 1 minute (min.) 60 minutes = 1 hour (hr.) 24 hours = 1 day (da.) 7 days = 1 week (wk.) 365 days = 1 common year (yr.) 366 days = 1 leap year About 30 days = 1 month (mo.) 12 months = 1 year VALUE 10 cents (ct.
Σελίδα 133 - 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.
Σελίδα 137 - TABLE. 10 Mills (m.) = 1 Cent . . ct. 10 Cents = 1 Dime . . d. 10 Dimes = 1 Dollar . $. 10 Dollars = 1 Eagle . E.
Σελίδα 79 - Multiplying or dividing both terms of a fraction by the same number does not change the value of the fraction.
Σελίδα 136 - Weight is used by apothecaries and physicians in compounding dry medicines. TABLE. 20 Grains (gr.} = 1 Scruple, . . sc., or 3. 3 Scruples = 1 Dram, . . dr., or 3 . 8 Drams = 1 Ounce, . . oz., or § . 12 Ounces = 1 Pound, . . Ib., or ft,.
Σελίδα 136 - Table. 16 drams (dr.) are 1 ounce, oz. 16 ounces, 1 pound, Ib. 100 pounds, 1 hundred-weight, cwt. 20 hundred-weight, . 1 ton, T.
Σελίδα 133 - TABLE. 12 inches (in.) are 1 foot, ft. 3 feet " 1 yard, yd. 5$ yds., or 16| ft.
Σελίδα 73 - If both the numerator and the denominator of a fraction are multiplied by the same number, or divided by the same number, the value of the fraction is not changed.
Σελίδα 178 - A can do a piece of work in 3 days, B in 4 days, and C in 6 days : in what time will they do it, working together ? 65.
Σελίδα 83 - To reduce two or more fractions to a common denominator. A Common Denominator is a denominator common to two or more fractions 1. Reduce ? and 7, to a common denominator.