A Mental Arithmetic, Upon the Inductive PlanR.S. Davis & Company, 1860 - 156 σελίδες |
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Σελίδα 30
... gathered 4 quarts of strawberries , and Mary gathered 3 times as many , less 2 quarts ; how many did Mary gather ? 43. What cost 28 pounds of flour , at 5 cents a pound ? 44. What cost 4 pecks of potatoes , at 19 30 GREENLEAF's.
... gathered 4 quarts of strawberries , and Mary gathered 3 times as many , less 2 quarts ; how many did Mary gather ? 43. What cost 28 pounds of flour , at 5 cents a pound ? 44. What cost 4 pecks of potatoes , at 19 30 GREENLEAF's.
Σελίδα 31
Benjamin Greenleaf. 44. What cost 4 pecks of potatoes , at 19 cents a peck ? 45. A person poured into a can 16 quarts of oil at 4 different times , and from the same filled 3 jugs , holding 8 quarts each , and 2 jugs , holding 10 quarts ...
Benjamin Greenleaf. 44. What cost 4 pecks of potatoes , at 19 cents a peck ? 45. A person poured into a can 16 quarts of oil at 4 different times , and from the same filled 3 jugs , holding 8 quarts each , and 2 jugs , holding 10 quarts ...
Σελίδα 53
... Pecks 66 1 Peck , pk . 66 1 Bushel , bu . NOTE . This measure is used in measuring grain , fruit , salt , coal , & c ... pecks ? In 8 pecks ? 4. How many pecks in 16 quarts ? In 32 quarts ? In 64 quarts ? 5. How many pecks in 4 bushels ...
... Pecks 66 1 Peck , pk . 66 1 Bushel , bu . NOTE . This measure is used in measuring grain , fruit , salt , coal , & c ... pecks ? In 8 pecks ? 4. How many pecks in 16 quarts ? In 32 quarts ? In 64 quarts ? 5. How many pecks in 4 bushels ...
Σελίδα 72
... peck , what cost 5 pecks of apples ? 7 pecks ? 8 pecks ? 8. At of a dollar a bushel , what cost 3 bush- els of potatoes ? 8 bushels ? 12 bushels ? 9. How many are 4 times ? 5 times ? ? 11. How many are 9 times ? 7 times 10 times ? ? 10 ...
... peck , what cost 5 pecks of apples ? 7 pecks ? 8 pecks ? 8. At of a dollar a bushel , what cost 3 bush- els of potatoes ? 8 bushels ? 12 bushels ? 9. How many are 4 times ? 5 times ? ? 11. How many are 9 times ? 7 times 10 times ? ? 10 ...
Σελίδα 75
... peck , must be given for 10 bushels of wheat , at $ 2 a bushel ? 38. If a man can mow 1 acres in one day , how long will it take 6 men to mow 14 acres ? LESSON XXXIII . 1. What is of 2 ? NOTE . of 1 is , and of 2 is 2 times , which are ...
... peck , must be given for 10 bushels of wheat , at $ 2 a bushel ? 38. If a man can mow 1 acres in one day , how long will it take 6 men to mow 14 acres ? LESSON XXXIII . 1. What is of 2 ? NOTE . of 1 is , and of 2 is 2 times , which are ...
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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.