Practical Mathematics: Instruction Paper, Τόμος 2American school of correspondence, 1912 |
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Σελίδα 31
... unit , and may be regarded as indicating division . The fraction is written , i . e . , the division is indicated , by placing the dividend over the divisor with a line between . 5 Thus , denotes that 5 of the 12 equal parts of a unit ...
... unit , and may be regarded as indicating division . The fraction is written , i . e . , the division is indicated , by placing the dividend over the divisor with a line between . 5 Thus , denotes that 5 of the 12 equal parts of a unit ...
Σελίδα 32
... unit ; if divided into b parts , is the fractional unit . Since any number divided by 1 gives a quotient equal to the dividend , any whole number may be expressed as a fraction by writing 4 1 for the denominator . Thus , 4 may be ...
... unit ; if divided into b parts , is the fractional unit . Since any number divided by 1 gives a quotient equal to the dividend , any whole number may be expressed as a fraction by writing 4 1 for the denominator . Thus , 4 may be ...
Σελίδα 34
... units to eighths by multiplying 3 by 8 obtaining 24 ; add this to 7 and the result , 31 , is the numerator 7 31 of ... unit and ten more twenty - firsts . 21 ) 31 2. Reduce 35ab 16a to a mixed number . SOLUTION . Following the process ...
... units to eighths by multiplying 3 by 8 obtaining 24 ; add this to 7 and the result , 31 , is the numerator 7 31 of ... unit and ten more twenty - firsts . 21 ) 31 2. Reduce 35ab 16a to a mixed number . SOLUTION . Following the process ...
Σελίδα 39
... units must be of the same size ; in other words , they must be reduced to a common denominator before the addition can be accomplished . For example , suppose it is desired to add the fractions and These may for convenience represent 1 ...
... units must be of the same size ; in other words , they must be reduced to a common denominator before the addition can be accomplished . For example , suppose it is desired to add the fractions and These may for convenience represent 1 ...
Σελίδα 42
... units . Hence to subtract proper fractions reduce the given fractions to their equivalents , having a least common denominator , and write the difference of the numerators over the common denominator . Examples . 1. Find the difference ...
... units . Hence to subtract proper fractions reduce the given fractions to their equivalents , having a least common denominator , and write the difference of the numerators over the common denominator . Examples . 1. Find the difference ...
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.