A Mental Arithmetic, Upon the Inductive PlanR.S. Davis & Company, 1860 - 156 σελίδες |
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Σελίδα 5
... cost 2 cents , and an orange cost 5 cents ; how many cents did both cost ? 7. Gave for a pencil 2 cents , and for some paper 6 cents ; what was the cost of both ? 8. On one bush there are 2 roses , and on another there are 7 roses ; how ...
... cost 2 cents , and an orange cost 5 cents ; how many cents did both cost ? 7. Gave for a pencil 2 cents , and for some paper 6 cents ; what was the cost of both ? 8. On one bush there are 2 roses , and on another there are 7 roses ; how ...
Σελίδα 6
... cost ? 17. Eliza is 3 years old , and Laura is 6 ; what is the sum of their ages ? 18. A farmer has 3 cows in one field , and 7 in another ; how many has he in both ? 19. In a class there are 3 girls and 8 boys ; how many are there in ...
... cost ? 17. Eliza is 3 years old , and Laura is 6 ; what is the sum of their ages ? 18. A farmer has 3 cows in one field , and 7 in another ; how many has he in both ? 19. In a class there are 3 girls and 8 boys ; how many are there in ...
Σελίδα 8
... cost ? 38. A bookseller sold in one day 6 books , and in another day 6 more ; how many did he sell in Ell ? 39. A farmer sold 6 sheep , and retained 7 ; how nany had he at first ? 40. If a clock cost 6 dollars , and a table 8 dol- lars ...
... cost ? 38. A bookseller sold in one day 6 books , and in another day 6 more ; how many did he sell in Ell ? 39. A farmer sold 6 sheep , and retained 7 ; how nany had he at first ? 40. If a clock cost 6 dollars , and a table 8 dol- lars ...
Σελίδα 10
... cost ? 26. If you had 8 dollars , and your father should 7 more , how many would you have ? give you 27. If a barrel of flour cost 8 dollars , and half a barrel of beef cost 8 dollars , how much will both cost ? 28. Bought a hundred ...
... cost ? 26. If you had 8 dollars , and your father should 7 more , how many would you have ? give you 27. If a barrel of flour cost 8 dollars , and half a barrel of beef cost 8 dollars , how much will both cost ? 28. Bought a hundred ...
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Συχνά εμφανιζόμενοι όροι και φράσεις
12 cents 12 days 12 dollars 20 per cent 40 dollars 50 cents 9 cents 9 dollars acres amount barrel of flour bought boys bushels of corn bushels of wheat cents a dozen cents a pound cents a quart cents a yard cents apiece contained cords of wood cows cubic feet decimal fraction denominator dimes dollar a bushel dollars a yard earn eight equal equivalent mixed factors fifths fourths furlongs gain gallons gave give hogshead horse hundred hundred-weight improper fraction interest of $100 John less LESSON lowest terms MENTAL ARITHMETIC merator miles an hour mixed number molasses months Multiply nator NOTE oranges ounces paid pecks pence pennyweights pine-apple pints pounds of sugar present worth prime number quarters quire rate per cent receive Reduce remainder sell sevenths sheep shillings sixths square rods subtract tens third weeks whole number yards of broadcloth yards of cloth
Δημοφιλή αποσπάσματα
Σελίδα 28 - If two men start from the same place, and travel in opposite directions, the one travelling at the rate of 3 miles an hour, and the other at the rate of 4 miles an hour, how far apart will they be at the end of 5 hours ? 11.
Σελίδα 122 - Multiplication is the process of taking one number as many times as there are units in another number.
Σελίδα 55 - NUMBERS. 12 units = 1 dozen. 12 dozen — 1 gross. 12 gross = 1 great gross. 20 units = 1 score.
Σελίδα 50 - Square 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. rd.) 160 square rods = 1 acre (A.) 640 acres = 1 square mile (sq.
Σελίδα 46 - 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 53 - DRY MEASURE 2 pints (pt.) = 1 quart (qt.) 8 quarts =1 peck (pk.) 4 pecks = 1 bushel (bu...
Σελίδα 47 - AVOIRDUPOIS WEIGHT. 16 Drams (dr.) make 1 Ounce, oz. 16 Ounces " 1 Pound, Ib. 25 Pounds " 1 Quarter, qr. 4 Quarters " 1 Hundred-weight, cwt. 20 Hundred-weight
Σελίδα 114 - 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 66 - When the numerator is less than the denominator, the fraction is called a proper fraction ; when the numerator is equal to or larger than the denominator, the fraction is called an improper fraction ; when a fraction is joined with a whole number, the expression is called a mixed number.