Arithmetic by Grades, Μέρος 2American Book Company, 1921 |
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Σελίδα 24
... called factors of 6 ? 2. What is a factor of a number ? 3. What is a prime number ? Mention five prime numbers . 4. What is a prime factor of a number ? Give a prime factor of 8 ; of 6 ; of 21 ; of 4 . 5. What is meant by factoring a ...
... called factors of 6 ? 2. What is a factor of a number ? 3. What is a prime number ? Mention five prime numbers . 4. What is a prime factor of a number ? Give a prime factor of 8 ; of 6 ; of 21 ; of 4 . 5. What is meant by factoring a ...
Σελίδα 27
... called cancellation . Example : Divide 9 × 6 × 12 by 3 × 15 × 4 . WORK Indicate the division by writing 9 × 6 × 12 above a line and 3X15X4 below it , as a fraction . Dividend , 9X6X12 = ? Divisor , 3X15X4 Think of this example as made ...
... called cancellation . Example : Divide 9 × 6 × 12 by 3 × 15 × 4 . WORK Indicate the division by writing 9 × 6 × 12 above a line and 3X15X4 below it , as a fraction . Dividend , 9X6X12 = ? Divisor , 3X15X4 Think of this example as made ...
Σελίδα 28
... called a proper fraction ? 6. Why is called an improper fraction ? 7. Why is 33 called a mixed number ? 8. Tell which of the following are proper fractions , which are improper fractions , and which are mixed numbers : 8 § , 3 , 21 , 8 ...
... called a proper fraction ? 6. Why is called an improper fraction ? 7. Why is 33 called a mixed number ? 8. Tell which of the following are proper fractions , which are improper fractions , and which are mixed numbers : 8 § , 3 , 21 , 8 ...
Σελίδα 44
... called an equation . Thus : ( a ) 3 + 5 = 8 ( b ) 12 in . 1 ft . ( c ) 3X4 = 12 ( d ) 6 % of $ 100 = $ 6 = The parts on either side of the sign of equality are called members . The part written before the sign of equality is called the ...
... called an equation . Thus : ( a ) 3 + 5 = 8 ( b ) 12 in . 1 ft . ( c ) 3X4 = 12 ( d ) 6 % of $ 100 = $ 6 = The parts on either side of the sign of equality are called members . The part written before the sign of equality is called the ...
Σελίδα 45
... called solving the equation . Since an equation is like a balance scale , any change in either member will disturb the balance , unless a similar change is made in the other member . Thus , if we add 2 to the first member of the ...
... called solving the equation . Since an equation is like a balance scale , any change in either member will disturb the balance , unless a similar change is made in the other member . Thus , if we add 2 to the first member of the ...
Συχνά εμφανιζόμενοι όροι και φράσεις
acres altitude amount approximate normal value bank discount base bill bought cash cent of profit centimes centimeters cloth common fraction cubic foot dated day of maturity decimal point decimeters demand note denominations Divide divisor dollars dozen due in 90 duty Example Find the area Find the cost Find the interest Find the number Find the rate Find the tax francs gain grams greatest common divisor improper fraction income jobber July 12 kilograms kilometers kilos Liberty bonds list price liter Mdse measures metric metric system millimeters mixed number money order multiply number equals paid parallelogram pencil when needed pound pupils rate of commission receipts rectangle selling price Sept silk sold square yard subtract tax rate telegraphic money United States money weighing wide worth Write
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Σελίδα 317 - 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 317 - LIQUID MEASURE 4 gills (gi.) = 1 pint (pt.) 2 pints = 1 quart (qt...
Σελίδα 317 - 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...
Σελίδα 317 - LENGTH 12 inches (in.) = 1 foot (ft.) 3 feet = 1 yard (yd.) 5| yards = 1 rod (rd.) 320 rods = 1 mile (mi.) 1 mile = 1,760 yd.
Σελίδα 319 - Measures of Length. 10 millimeters (mm.) 1 centimeter (cm.) 10 centimeters 1 decimeter (dm.) 10 decimeters 1 meter (m.) 10 meters 1 dekameter (Dm.) 10 dekameters 1 hectometer (Hm.) 10 hectometers 1 kilometer (Km.) 10 kilometers 1 myriameter (Mm.) 1181.
Σελίδα 75 - TABLE. 4 farthings (far.) = 1 penny, d. 12 pence = 1 shilling, s. 20 shillings = 1 pound, or sovereign, £. 21 shillings = 1 guinea, G.
Σελίδα 317 - Dry Measure 2 pints (pt.) = 1 quart (qt.) 8 quarts = 1 peck (pk.) 4 pecks = 1 bushel (bu.) A bushel contains 2150.42 cubic inches.
Σελίδα 319 - Scale: 4 farthings (far.) = 1 penny (d.); 12 pence = 1 shilling (s.) ; 20 shillings — 1 pound (£). 156.
Σελίδα 320 - OF CAPACITY 10 milliliters (ml.) = 1 centiliter (cl.) 10 centiliters = 1 deciliter (dl.) 10 deciliters = 1 liter (1.) 10 liters = 1 dekaliter (Dl.) 10 dekaliters = 1 hektoliter (hi.) 10 hektoliters = 1 kiloliter (kl.) MEASURES OF WEIGHT 10 milligrams (mg.) = 1 centigram (eg.) 10 centigrams = 1 decigram (dg.) 10 decigrams = 1 gram (g.) 10 grams = 1 dekagram (Dg.) 10 dekagrams = 1 hektogram (hg.) 10 hektograms = 1 kilogram (kg.) 18.
Σελίδα 151 - The money for the use of which interest is paid is called the Principal, and the sum of the principal and interest is called the Amount.