Practical Mathematics: Instruction Paper, Τόμος 2American school of correspondence, 1912 |
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Σελίδα 31
... equal parts , and 1 of these parts taken . In this use , the unit may be considered as made up of a number of equal parts , but when used separately and without reference to any certain thing , it is convenient to consider the fraction ...
... equal parts , and 1 of these parts taken . In this use , the unit may be considered as made up of a number of equal parts , but when used separately and without reference to any certain thing , it is convenient to consider the fraction ...
Σελίδα 32
... equal , the value of the fraction is 1. Thus , may be expressed as 8 ÷ 8 and is equal to 8 8 1. This shows that one unit is divided into eight parts , each part being an eighth and that 8 of these are taken , making a unit or 1 ...
... equal , the value of the fraction is 1. Thus , may be expressed as 8 ÷ 8 and is equal to 8 8 1. This shows that one unit is divided into eight parts , each part being an eighth and that 8 of these are taken , making a unit or 1 ...
Σελίδα 45
... equal to the product of d and 2a , or 2ad , and the denominator is 4b . 2 5 = d 2a b 5 X 2 8 X 5 = 10 40 = - +22/02 . X 1107/12 1 d × 2a 2ad 4 X b 4b 2ad ad = 4b 26 To multiply mixed quantities , change them to improper fractions and ...
... equal to the product of d and 2a , or 2ad , and the denominator is 4b . 2 5 = d 2a b 5 X 2 8 X 5 = 10 40 = - +22/02 . X 1107/12 1 d × 2a 2ad 4 X b 4b 2ad ad = 4b 26 To multiply mixed quantities , change them to improper fractions and ...
Σελίδα 49
... equal value with the original fraction . Now , suppose it is desirable to reduce all fractions to a standard denominator of 10 or any power of 10 , such as 100 , 1,000 , etc. Under 3 this system the fraction will have successively the ...
... equal value with the original fraction . Now , suppose it is desirable to reduce all fractions to a standard denominator of 10 or any power of 10 , such as 100 , 1,000 , etc. Under 3 this system the fraction will have successively the ...
Σελίδα 50
... equal to able difference . 769 10000 77 or even without any appreci- 1000 Such fractions , as 75 " 100 1000 875 77 1000 and , etc. , having powers of 10 as denominators are called decimal fractions . In order to simplify this system and ...
... equal to able difference . 769 10000 77 or even without any appreci- 1000 Such fractions , as 75 " 100 1000 875 77 1000 and , etc. , having powers of 10 as denominators are called decimal fractions . In order to simplify this system and ...
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.