A Mental Arithmetic, Upon the Inductive PlanR.S. Davis & Company, 1860 - 156 σελίδες |
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Σελίδα 16
... are how many ? 17. 35 + 20 + 15 are how many ? 18 . New York has 59 counties , Delaware has 3 , and Rhode Island 5 ; how many counties have the three states ? 19. A man gave 64 dollars for a piece of 16 GREENLEAF's LESSON VII. ...
... are how many ? 17. 35 + 20 + 15 are how many ? 18 . New York has 59 counties , Delaware has 3 , and Rhode Island 5 ; how many counties have the three states ? 19. A man gave 64 dollars for a piece of 16 GREENLEAF's LESSON VII. ...
Σελίδα 17
Benjamin Greenleaf. 19. A man gave 64 dollars for a piece of land ; it cost him 10 dollars to fence it , and 2 dollars to have it ploughed ; what was the whole cost ? 20. A farmer raised 40 bushels of oats , 50 bushels of ... piece of ...
Benjamin Greenleaf. 19. A man gave 64 dollars for a piece of land ; it cost him 10 dollars to fence it , and 2 dollars to have it ploughed ; what was the whole cost ? 20. A farmer raised 40 bushels of oats , 50 bushels of ... piece of ...
Σελίδα 26
... piece of work in 12 days , how long will it take one man ? LESSON XII . 1. Four times three are how many ? 2. Three times two are how many ? 3. Seven times three are how many ? 4. Four times four are how many ? 5. Five times two are how ...
... piece of work in 12 days , how long will it take one man ? LESSON XII . 1. Four times three are how many ? 2. Three times two are how many ? 3. Seven times three are how many ? 4. Four times four are how many ? 5. Five times two are how ...
Σελίδα 29
... piece of broadcloth contain- ing 33 yards ; if he should cut from it 13 yards , what will the remainder be worth , at 4 dollars a yard ? 23. Bought 6 writing - books , at 8 cents apiece , and 5 more , at 7 cents apiece , and sold the ...
... piece of broadcloth contain- ing 33 yards ; if he should cut from it 13 yards , what will the remainder be worth , at 4 dollars a yard ? 23. Bought 6 writing - books , at 8 cents apiece , and 5 more , at 7 cents apiece , and sold the ...
Σελίδα 31
... pieces ; Edward received a fifty - cent piece and 1 dime , and paid back in making change 1 five- cent piece and 1 three - cent piece ; how much more money did the one obtain than the other ? LESSON XIV . 1. At 2 cents cach , how many ...
... pieces ; Edward received a fifty - cent piece and 1 dime , and paid back in making change 1 five- cent piece and 1 three - cent piece ; how much more money did the one obtain than the other ? LESSON XIV . 1. At 2 cents cach , how many ...
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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.