A Mental Arithmetic Upon the Inductive Plan: Being an Advanced Intellectual Course, Designed for Schools and AcademiesRobert S. Davis & Company, 1858 - 154 σελίδες |
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Σελίδα 50
... SQUARE MEASURE . 144 Square inches ( sq . in . ) make 1 Square foot , sq . ft . 9 Square feet 304 Square yards 40 Square rods 4 Roods 66 1 Square yard , sq . yd . 66 1 Square rod or pole , p . 66 1 Rood , R. 66 1 Acre , A. 66 1 Square ...
... SQUARE MEASURE . 144 Square inches ( sq . in . ) make 1 Square foot , sq . ft . 9 Square feet 304 Square yards 40 Square rods 4 Roods 66 1 Square yard , sq . yd . 66 1 Square rod or pole , p . 66 1 Rood , R. 66 1 Acre , A. 66 1 Square ...
Σελίδα 51
... square mile ? 8. How many rods in a field 12 rods long , and 9 rods wide ? 9. At 5 dollars for 1 square rod , what cost 1 acre of land ? 10. In 1A . 2R . 20p . are how many square rods ? TABLE OF CUBIC , OR SOLID MEASURE . 1728 Cubic ...
... square mile ? 8. How many rods in a field 12 rods long , and 9 rods wide ? 9. At 5 dollars for 1 square rod , what cost 1 acre of land ? 10. In 1A . 2R . 20p . are how many square rods ? TABLE OF CUBIC , OR SOLID MEASURE . 1728 Cubic ...
Σελίδα 85
... square rods ? 27. What part of a mile is 3 furlongs 15 rods ? 28. What part of 8 yards is 5 ells English 3 quarters ? 29. What part of a pint is NOTE . Since 1 gallon - = 4 quarts , of a gallon ? of a gallon = of 4 of a quarts = 11⁄2 of ...
... square rods ? 27. What part of a mile is 3 furlongs 15 rods ? 28. What part of 8 yards is 5 ells English 3 quarters ? 29. What part of a pint is NOTE . Since 1 gallon - = 4 quarts , of a gallon ? of a gallon = of 4 of a quarts = 11⁄2 of ...
Σελίδα 126
... square of 12 than the square of 11 ? 3. How much greater is the square of 13 than the square of 11 ? 4. If two numbers , whose difference is 1 , have a sum of 27 , what is the difference of their squares ? - NOTE . The greater number ...
... square of 12 than the square of 11 ? 3. How much greater is the square of 13 than the square of 11 ? 4. If two numbers , whose difference is 1 , have a sum of 27 , what is the difference of their squares ? - NOTE . The greater number ...
Σελίδα 127
... square of 10 ? Of 13 ? 10. What is the square of 15 ? NOTE . - Find the square of 10 , then the difference of the squares of 10 and 15 , then the square of 15 . 11. What is the square of 20 ? What is the difference of the squares of 21 ...
... square of 10 ? Of 13 ? 10. What is the square of 15 ? NOTE . - Find the square of 10 , then the difference of the squares of 10 and 15 , then the square of 15 . 11. What is the square of 20 ? What is the difference of the squares of 21 ...
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Mental Arithmetic, Upon the Inductive Plan: With Easy Exercises for the ... Benjamin Greenleaf Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2016 |
Mental Arithmetic, Upon the Inductive Plan: With Easy Exercises for the ... Benjamin Greenleaf Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2018 |
Συχνά εμφανιζόμενοι όροι και φράσεις
12 cents 12 days 12 dollars 20 days 20 per cent 50 cents 9 cents 9 dollars acres amount of $200 barrel of flour bought boys bushel cost bushels of corn bushels of wheat cents a dozen cents a pound cents a quart cents a yard cents apiece cistern contained cords of wood cows decimal decimal fraction dimes dollar a bushel dollars a yard earn eight equal factors fifths fourths fraction furlongs gain $6 gallons gave Harry Hubbard hogshead hundred hundred-weight improper fraction interest of $100 John less LESSON lowest terms MENTAL ARITHMETIC miles an hour molasses months and 20 Multiply NOTE oranges ounces paid pecks pence pennyweights pints pounds of butter pounds of sugar present worth quire rate per cent receive Reduce remainder sell sevenths sheep shillings sixths subtract tens third tons of hay weeks whole number yards of broadcloth yards of cloth
Δημοφιλή αποσπάσματα
Σελίδα 55 - DRY MEASURE 2 pints (pt.) = 1 quart (qt.) 8 quarts =1 peck (pk.) 4 pecks = 1 bushel (bu...
Σελίδα 115 - ... miles an hour, how far apart will they be at the end of 1 hour ? At the end of 2 hours ? 4 hours ? 10 hours ? Why ? 4.
Σελίδα 100 - Multiplication is the process of taking one number as many times as there are units in another number.
Σελίδα 52 - 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 108 - The Dividend is the number to be divided. The Divisor is the number by which we divide.
Σελίδα 47 - TABLE. 10 Mills (m.) = 1 Cent . . ct. 10 Cents = 1 Dime . . d. 10 Dimes = 1 Dollar . $. 10 Dollars = 1 Eagle . E.
Σελίδα 48 - TROY WEIGHT. 24 grains (gr.) = 1 pennyweight (pwt.). 20 pennyweights = 1 ounce (oz.). 12 ounces = 1 pound (lb.). 351. Apothecaries' weight is used in mixing medicines and in selling them at retail. APOTHECARIES
Σελίδα 116 - A cistern has 4 pipes ; the first will fill it in 2 hours, the second will fill it in 3 hours, the third in 4 hours, and the fourth will empty it in 2 hours ; now, if the pipes are all open at the same time, how long •will it take to fill the cistern ? 10.
Σελίδα 57 - TABLE. 12 units make 1 dozen. 12 dozen " 1 gross. 12 gross " 1 great gross. 20 units " 1 score. 24 sheets of paper " 1 quire. 20 quires " 1 ream. 56 pounds " 1 bushel of corn. 60 pounds " 1 bushel of wheat. 196 pounds " 1 barrel of flour. 200 pounds « { l bari;el, of beef, pork
Σελίδα 53 - TABLE. 1728 cubic inches (cu. in.) make 1 cubic foot, ...... cu. ft. 27 cubic feet