Practical Mathematics: Instruction Paper, Τόμος 2American school of correspondence, 1912 |
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Σελίδα 34
... obtaining 24 ; add this to 7 and the result , 31 , is the numerator 7 31 of the fraction . 3- - In the same way.a + b d ad + b d 8 8 To reduce an improper fraction to a mixed quantity divide the numerator by the denominator , write the ...
... obtaining 24 ; add this to 7 and the result , 31 , is the numerator 7 31 of the fraction . 3- - In the same way.a + b d ad + b d 8 8 To reduce an improper fraction to a mixed quantity divide the numerator by the denominator , write the ...
Σελίδα 35
... to some common multiple , called a common denominator , before the fractions may be added , subtracted , or compared in value . This common denominator may be obtained by multiplying together the denominators PRACTICAL MATHEMATICS 3356.
... to some common multiple , called a common denominator , before the fractions may be added , subtracted , or compared in value . This common denominator may be obtained by multiplying together the denominators PRACTICAL MATHEMATICS 3356.
Σελίδα 36
Instruction Paper Glenn Moody Hobbs. common denominator may be obtained by multiplying together the denominators of the fractions . Suppose , for example , it is desired of a foot to fractional parts of a foot , having a 1 3 to reduce ...
Instruction Paper Glenn Moody Hobbs. common denominator may be obtained by multiplying together the denominators of the fractions . Suppose , for example , it is desired of a foot to fractional parts of a foot , having a 1 3 to reduce ...
Σελίδα 37
... obtaining 3 , 1 , 9 , and 3 . Next dividing by 3 , the result is 1 , 1 , 3 , and 1 . these final quotients have no common factor , and must be factors of the least common denominator just as 2 , 2 , and 3 are . Disregarding the 1's , 2 ...
... obtaining 3 , 1 , 9 , and 3 . Next dividing by 3 , the result is 1 , 1 , 3 , and 1 . these final quotients have no common factor , and must be factors of the least common denominator just as 2 , 2 , and 3 are . Disregarding the 1's , 2 ...
Σελίδα 41
... obtained . Examples . 1. 20 + 131 + 7 = ? SOLUTION . Adding the entire quantities together 40. Reduce the fractions to higher terms having a common denominator and add , gives 20+ 13 + 7 16 12 = obtaining + + 3 31 = 24 24 24 24 = 7 7 1 ...
... obtained . Examples . 1. 20 + 131 + 7 = ? SOLUTION . Adding the entire quantities together 40. Reduce the fractions to higher terms having a common denominator and add , gives 20+ 13 + 7 16 12 = obtaining + + 3 31 = 24 24 24 24 = 7 7 1 ...
Συχνά εμφανιζόμενοι όροι και φράσεις
acre Avoir Avoirdupois Weight bushel called cancellation ciphers coal contains cubic centimeter cubic feet cubic foot cubic inches cubic measure decimal fractions decimal point denominate number dividend Dividing the numerator division divisor dollars Dry Measure dry quart English system entire quantity equal error example expressed find the least frac fractional units gallons given number gives gram hectoliter higher denomination hundred hundredths improper fraction kilo kilogram kilometer least common denominator length Linear Measure Liquid Quart liter lowest terms metric system millimeters minuend mixed number mixed quantity moving the decimal Multiply the numerator number of places number of units numerator and denominator obtained peck pints pound lb prime factors PROBLEMS FOR PRACTICE quotient Reduce to lowest remainder result short ton SOLUTION Square Measure square mile subtract tenths thousandths tons Troy weight water weighs whole numbers пр
Δημοφιλή αποσπάσματα
Σελίδα 74 - SQUARE MEASURE 144 square inches (sq. in.) = 1 square foot (sq. ft.) 9 square feet = 1 square yard (sq. yd.) 30| square yards = 1 square rod (sq. rd.) 160 square rods = 1 acre (A.) 640 acres = 1 square mile (sq.
Σελίδα 74 - 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 75 - LIQUID MEASURE 4 gills (gi.) = 1 pint (pt.) 2 pints = 1 quart (qt...
Σελίδα 54 - To multiply a decimal by 10, 100, 1000, &c., remove the decimal point as many places to the right as there are ciphers in the multiplier ; and if there be not places enough in the number, annex ciphers.
Σελίδα 80 - Time. 60 seconds (sec.) = 1 minute (min.) 60 minutes = 1 hour (hr.) 24...
Σελίδα 81 - TABLE. 4 farthings (far. or qr.) make 1 penny, d. 12 pence " 1 .shilling, s. 20 shillings " 1 pound or sovereign, £ or sov.
Σελίδα 75 - SURVEYORS' SQUARE MEASURE. 197. This measure is used by surveyors in computing the area or contents of land. TABLE. 625 square links (sq. 1.) make 1 pole P. 16 poles " 1 square chain,, .sq. ch. 10 square chains " 1 acre, A. 640 acres " 1 square mile,. ..sq. mi. 36 square miles (6 miles square)
Σελίδα 75 - DRY MEASURE 2 pints (pt.) = 1 quart (qt.) 8 quarts =1 peck (pk.) 4 pecks = 1 bushel (bu...
Σελίδα 77 - In the international metric system the fundamental unit is the meter — the unit of length. From this the units of capacity (liter) and of weight (gram) were derived. All other units are the decimal subdivisions or multiples of these. These three units are simply related eg, for all practical purposes 1 cubic decimeter equals 1 liter and 1 liter of water weighs 1 kilogram. The metric tables are formed by combining the words
Σελίδα 74 - A pile of wood 8 feet long, 4 feet wide, and 4 feet high, contains 1 cord; and a cord foot is 1 foot in length of such a pile.