The Model Mental Arithmetic: Containing Oral Exercises for Graded and Grammar SchoolsEldredge & Brother, 1878 |
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Σελίδα 4
... equal care should be taken to create and stimulate in pupils habits of self - dependence ; to train them to rely upon principles and reason , rather than upon mere forms ; and to think , compare , and investigate for themselves ; for ...
... equal care should be taken to create and stimulate in pupils habits of self - dependence ; to train them to rely upon principles and reason , rather than upon mere forms ; and to think , compare , and investigate for themselves ; for ...
Σελίδα 16
... equals the number of dollars in 4 dollars and 8 dollars united ? 6. What is the unit of 10 pints ? Of 9 pints ? Are the units of 10 pints and 9 pints like , or unlike ? 7. Can 10 pints be added to 9 pints ? 16 MENTAL ARITHMETIC . ADDITION.
... equals the number of dollars in 4 dollars and 8 dollars united ? 6. What is the unit of 10 pints ? Of 9 pints ? Are the units of 10 pints and 9 pints like , or unlike ? 7. Can 10 pints be added to 9 pints ? 16 MENTAL ARITHMETIC . ADDITION.
Σελίδα 17
... equals , or equal . Thus , 18 pounds +9 pounds 27 pounds is read 18 pounds plus 9 pounds equal 27 pounds , and means that the sum of 18 pounds and 9 pounds is 27 pounds . 58. Principles . I. Only similar numbers can be added . II . Only ...
... equals , or equal . Thus , 18 pounds +9 pounds 27 pounds is read 18 pounds plus 9 pounds equal 27 pounds , and means that the sum of 18 pounds and 9 pounds is 27 pounds . 58. Principles . I. Only similar numbers can be added . II . Only ...
Σελίδα 25
... equal 10 dollars . What did he earn ? 4. James is eleven years old , and his brother five years old . What is the difference in their ages ? 5. If a dressmaker earns 12 dollars a week , and spends 7 dollars , how much does she save ? 71 ...
... equal 10 dollars . What did he earn ? 4. James is eleven years old , and his brother five years old . What is the difference in their ages ? 5. If a dressmaker earns 12 dollars a week , and spends 7 dollars , how much does she save ? 71 ...
Σελίδα 28
... equal $ 10 and $ 9 ; $ 10 from $ 35 leave $ 25 ; and $ 9 from $ 25 leave $ 16 . Hence , etc. 26. A man bought a watch for $ 42 , and sold it for $ 14 less than the cost . How much did he get for it ? 27. If I live 17 more years , I ...
... equal $ 10 and $ 9 ; $ 10 from $ 35 leave $ 25 ; and $ 9 from $ 25 leave $ 16 . Hence , etc. 26. A man bought a watch for $ 42 , and sold it for $ 14 less than the cost . How much did he get for it ? 27. If I live 17 more years , I ...
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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 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 multiplied muslin 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 third 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. mi.) Cubic Measure 1728 cubic inches (cu.
Σελίδα 137 - TABLE. 10 Mills (m.) = 1 Cent . . ct. 10 Cents = 1 Dime . . d. 10 Dimes = 1 Dollar . $. 10 Dollars = 1 Eagle . E.
Σελίδα 135 - DRY MEASURE 2 pints (pt.) = 1 quart (qt.) 8 quarts =1 peck (pk.) 4 pecks = 1 bushel (bu...
Σελίδα 79 - Multiplying or dividing both terms of a fraction by the same number does not change the value of the fraction.
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 35 - Since 0 has no value, the product of 0 and any number is 0. 1 times 1 is 1 2 times 1 are 2 3 times 1 are 3 1...
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.
Σελίδα 66 - A multiple of a number contains all the prime factors of that number ; and the common multiple of two or more numbers contains all the prime factors of each of the numbers.