The Model Mental Arithmetic: Containing Oral Exercises for Graded and Grammar SchoolsEldredge & Brother, 1878 |
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Σελίδα 18
... spent 3 cents for a pear and 4 cents for an orange , for both he spent the sum of 3 cents and 4 cents , which is 7 cents . Hence , etc. 2. If I have 5 dollars and earn 3 dollars more , how much money will I then have ? 3. Mary gave 4 ...
... spent 3 cents for a pear and 4 cents for an orange , for both he spent the sum of 3 cents and 4 cents , which is 7 cents . Hence , etc. 2. If I have 5 dollars and earn 3 dollars more , how much money will I then have ? 3. Mary gave 4 ...
Σελίδα 25
... 15 cows less 9 cows ? 17. 16 cords less 7 cords ? 18. 16 baskets less 8 baskets ? 19. 17 books less 9 books ? 15. 14 dollars less 7 dollars ? 20. 18 melons less 9 melons ? 21. Mary had 14 cents , and spent 3 cents 3 SUBTRACTION . 25.
... 15 cows less 9 cows ? 17. 16 cords less 7 cords ? 18. 16 baskets less 8 baskets ? 19. 17 books less 9 books ? 15. 14 dollars less 7 dollars ? 20. 18 melons less 9 melons ? 21. Mary had 14 cents , and spent 3 cents 3 SUBTRACTION . 25.
Σελίδα 26
... spent 3 cents for paper and 5 cents for a pencil . How much had she left ? 72. Analysis . Since Mary had 14 cents , and spent 3 cents for paper , she had left the difference between 14 cents and 3 cents , which is 11 cents ; and if she ...
... spent 3 cents for paper and 5 cents for a pencil . How much had she left ? 72. Analysis . Since Mary had 14 cents , and spent 3 cents for paper , she had left the difference between 14 cents and 3 cents , which is 11 cents ; and if she ...
Σελίδα 27
... spent ? 5. Alice is 7 years old , and her father is 61 years old . What is the difference in their ages ? 6. John's grandfather is now 65 years old . How old was he 8 years ago ? How old 6 years ago ? 7. The sum of two numbers is 73 ...
... spent ? 5. Alice is 7 years old , and her father is 61 years old . What is the difference in their ages ? 6. John's grandfather is now 65 years old . How old was he 8 years ago ? How old 6 years ago ? 7. The sum of two numbers is 73 ...
Σελίδα 28
... spent $ 19 for some clothing . What had he remaining ? 75. Analysis . - Since the clerk was paid $ 35 , and he spent $ 19 for some clothing , he had remaining the difference between $ 35 and $ 19 . $ 19 equal $ 10 and $ 9 ; $ 10 from ...
... spent $ 19 for some clothing . What had he remaining ? 75. Analysis . - Since the clerk was paid $ 35 , and he spent $ 19 for some clothing , he had remaining the difference between $ 35 and $ 19 . $ 19 equal $ 10 and $ 9 ; $ 10 from ...
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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.