ArithmeticU.S. Government Printing Office, 1913 - 132 σελίδες |
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Σελίδα 3
... decimals . Addition of fractions .. Subtraction of fractions . Multiplication of fractions . Division of fractions .. Complex fractions .. Fractional compound numbers . Aliquot parts Practice Decimal fractions .. Notation of decimals ...
... decimals . Addition of fractions .. Subtraction of fractions . Multiplication of fractions . Division of fractions .. Complex fractions .. Fractional compound numbers . Aliquot parts Practice Decimal fractions .. Notation of decimals ...
Σελίδα 30
... decimal . The dollar mark is probably a combination of U. S. , the initials of the words " United States . " The unit of value is the dollar . Its standard weight in gold is 25.8 grains . The standard purity of the gold and silver coins ...
... decimal . The dollar mark is probably a combination of U. S. , the initials of the words " United States . " The unit of value is the dollar . Its standard weight in gold is 25.8 grains . The standard purity of the gold and silver coins ...
Σελίδα 41
... decimal . In ? 2. Reduce to hundredths and write each result as a decimal : 4 , 4 , 3. 4 . 3. Reduce to thousandths 4 , 2 , 4 , 4 . 3 . decimal . 1. Reduce to a decimal . WRITTEN EXERCISES . Express each result as a 8 ) 7.000 0.875 ...
... decimal . In ? 2. Reduce to hundredths and write each result as a decimal : 4 , 4 , 3. 4 . 3. Reduce to thousandths 4 , 2 , 4 , 4 . 3 . decimal . 1. Reduce to a decimal . WRITTEN EXERCISES . Express each result as a 8 ) 7.000 0.875 ...
Σελίδα 42
... decimal is 0.74074+ . Reduce to decimals , expressing each in the form best adapted , and carrying none further than six places : 7 4. 1 , 4 , 20 , 32 , 621 . 5 . 5 84 5 8 , 9 , 48 649 5 15 6. 1 , 12 , 18 , 17 , 21 25 7. 8 , 18 , 33 ...
... decimal is 0.74074+ . Reduce to decimals , expressing each in the form best adapted , and carrying none further than six places : 7 4. 1 , 4 , 20 , 32 , 621 . 5 . 5 84 5 8 , 9 , 48 649 5 15 6. 1 , 12 , 18 , 17 , 21 25 7. 8 , 18 , 33 ...
Σελίδα 60
... decimal places relative to the unit may be illustrated in the following : - 1 1 1 1 Tenths Hundredths Thousandths Ten Thousandths Units Tens Hundreds Thousands Tens of Thousands 5. The first order on the left of the unit 60 ARITHMETIC ...
... decimal places relative to the unit may be illustrated in the following : - 1 1 1 1 Tenths Hundredths Thousandths Ten Thousandths Units Tens Hundreds Thousands Tens of Thousands 5. The first order on the left of the unit 60 ARITHMETIC ...
Συχνά εμφανιζόμενοι όροι και φράσεις
altitude annex a cipher Answer apples base boiler bought bunker called cents left cipher circle circumference column common fraction contained cost cube root cubic feet cubic foot cubic inches cylinder decimal orders decimal places decimal point Divide dividend division dollar engine equal expressed fireroom frustum gallons greatest common divisor Hence horsepower hundredths improper fraction inches in diameter integer lathe lead screw least common multiple length lowest terms miles millionths minuend minutes mixed number multiplicand Multiply ounces period perpendicular piece pounds prime factors prime number pump quotient ratio Reduce remainder result revolutions revolutions per minute right angle rods RULE second figure ship sides simple fraction simple numbers Solution specific gravity square feet square inches square root steam subtract surface tank ten-thousandths tens tenths third thousand thousandths threads per inch tons of coal total number trial divisor triangle valve weighs write yards
Δημοφιλή αποσπάσματα
Σελίδα 15 - Multiplication is the process of taking one number as many times as there are units in another.
Σελίδα 26 - LIQUID MEASURE 4 gills (gi.) = 1 pint (pt.) 2 pints — 1 quart (qt...
Σελίδα 28 - 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 118 - Divide the continued product of the mean effective pressure in pounds per square inch, the length of the stroke in feet,, the area of the piston in square inches, and the number of strokes per minute, by 33,000 ; the result will be the horsepower.
Σελίδα 30 - COUNTING. 12 units or things make 1 dozen. 12 dozen " 1 gross. 12 gross " 1 great gross. 20 units
Σελίδα 33 - Write the remaining numbers in a horizontal line, and divide by any prime number that will exactly divide two or more of them, placing the quotients and the undivided numbers in a line beneath.
Σελίδα 115 - A sphere is a solid bounded by a curved surface, every point of which is equally distant from a point within called the center.
Σελίδα 87 - ... 9,801; with three figures 999, and 999' = 998,001; with four figures 9,999, and 9,999' = 99,980,001, etc. In each of the above it will be noticed that the square of the number contains just twice as many figures as the number. In order to find the square root of a number, the first step is to find how many figures there will be in the root. This is done by pointing off the number into periods of two figures each, beginning at the right.
Σελίδα 19 - The dividend is the number to be divided. The divisor is the number by which we divide.
Σελίδα 26 - SQUARE MEASURE 144 square inches (sq. in.) = 1 square foot (sq. ft.) 9 square feet — 1 square yard (sq.