A Mental ArithmeticD.Appleton and Company, 1879 - 168 σελίδες |
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Σελίδα 3
... taken . Review again and again if necessary , and let nothing pass till it is mastered . Short lessons should be given , to be pre- pared beforehand . The books should be closed at recitation , the question read but once , and the ...
... taken . Review again and again if necessary , and let nothing pass till it is mastered . Short lessons should be given , to be pre- pared beforehand . The books should be closed at recitation , the question read but once , and the ...
Σελίδα 7
... taken first ? 20. How many are 4 and 8 ? How many are 1 and 3 and 8 ? How many are 2 and 2 and 8 ? 21. How many are 3 and 9 ? How many are 1 and 2 and 9 ? How many are 2 and 1 and 9 ? 22. How many are 8 and 10 ? How much is 3 + 5 + 10 ...
... taken first ? 20. How many are 4 and 8 ? How many are 1 and 3 and 8 ? How many are 2 and 2 and 8 ? 21. How many are 3 and 9 ? How many are 1 and 2 and 9 ? How many are 2 and 1 and 9 ? 22. How many are 8 and 10 ? How much is 3 + 5 + 10 ...
Σελίδα 21
... taken 3 times . 2x3 = 6 . We have multiplied 2 by 3 ; the result , 6 , is called their Product . 1. How much is 3 times 4 ? 4 times 9 ? Twice 12 ? 4 times 6 ? 9 times 2 ? 8 times 4 ? 2. What is the product of 4 and 2 ? 9 and 6 ? 6 and 7 ...
... taken 3 times . 2x3 = 6 . We have multiplied 2 by 3 ; the result , 6 , is called their Product . 1. How much is 3 times 4 ? 4 times 9 ? Twice 12 ? 4 times 6 ? 9 times 2 ? 8 times 4 ? 2. What is the product of 4 and 2 ? 9 and 6 ? 6 and 7 ...
Σελίδα 43
... taken . The Numerator and the Denominator , taken to- gether , are called the Terms of the fraction . is a fraction . 5 and 9 are its Terms . 9 is the Denominator , and shows that the whole is divided into nine equal parts , making each ...
... taken . The Numerator and the Denominator , taken to- gether , are called the Terms of the fraction . is a fraction . 5 and 9 are its Terms . 9 is the Denominator , and shows that the whole is divided into nine equal parts , making each ...
Σελίδα 48
... taken in . How much in all wast received ? 15. A pint is one eighth of a gallon ; how many pints in 13 gallons ? How many gallons in 141 pints ? 16. If a boy can saw and split of a cord of wood in a day , how many such boys will it take ...
... taken in . How much in all wast received ? 15. A pint is one eighth of a gallon ; how many pints in 13 gallons ? How many gallons in 141 pints ? 16. If a boy can saw and split of a cord of wood in a day , how many such boys will it take ...
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12 days 12 leaves 25 cents 30 days 50 cents 551 Broadway 9 leaves acres apples APPLETON Arithmetic bill bushels called centilitres CHAPTER common denominator contained cord cost cubic currency decagrams decimetre dimes dollars dozen drams dry measure equal feet Find the amount Find the interest flock fourths fraction gallon gold grains half halves hectolitres hectometre horse Improper Fraction inches invested kilogram least common denominator leaves 9 litre lower denominations lowest terms metre Metric System miles an hour minutes MODEL months Multiply ninths NOTE oranges ounce paid Palenzuela pear pennyweight person bought pine-apple Price principal profit quart receive Reduce rods SECTION sells shares sheep sixths sold square steres subtract taining tenths third tonneau trees Troy Weight true discount twice units weeks Weight whole yards yield
Δημοφιλή αποσπάσματα
Σελίδα 82 - SQUARE MEASURE 144 square inches (sq. in.) = 1 square foot (sq. ft.) 9 square feet — 1 square yard (sq.
Σελίδα 81 - MEASURE 12 inches (in.) = 1 foot ft. 3 feet =1 yard yd. 5 J yards =1 rod rd. 40 rods =1 furlong fur. 8 furlongs = 1 mile mi.
Σελίδα 83 - CUBIC MEASURE 1728 cubic inches (cu. in.) = 1 cubic foot (cu. ft.) 27 cubic feet = 1 cubic yard (cu. yd.) 128 cubic feet = 1 cord (cd...
Σελίδα 84 - LIQUID MEASURE 4 gills (gi.) = 1 pint (pt.) 2 pints = 1 quart (qt...
Σελίδα 78 - Weight is used by apothecaries and physicians in compounding dry medicines. TABLE. 20 Grains (gr.} = 1 Scruple, . . sc., or 3. 3 Scruples = 1 Dram, . . dr., or 3 . 8 Drams = 1 Ounce, . . oz., or § . 12 Ounces = 1 Pound, . . Ib., or ft,.
Σελίδα 85 - DRY MEASURE 2 pints (pt.) = 1 quart (qt.) 8 quarts =1 peck (pk.) 4 pecks = 1 bushel (bu...