Elementary Arithmetic, Oral and WrittenA.S. Barnes, 1878 - 232 σελίδες |
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Σελίδα 64
... factors in the first example above ? fifth ? What in the tenth ? What in the twentieth ? Name the factors of 6 ; of 10 ; of 14 ; and of 15 . Supply the missing factor in each of the following : 1 . 7x = 21 . 6. 7 × = 56 . 11. 12 x 60 ...
... factors in the first example above ? fifth ? What in the tenth ? What in the twentieth ? Name the factors of 6 ; of 10 ; of 14 ; and of 15 . Supply the missing factor in each of the following : 1 . 7x = 21 . 6. 7 × = 56 . 11. 12 x 60 ...
Σελίδα 65
... factors , it is more convenient to write the multiplier under the multiplicand . 61. When the multiplier consists of but one figure . Multiply 328 by 7 . EXPLANATION . - Multiplying 8 by 7 , ILLUSTRATION . Multiplicand , 328 7 Product ...
... factors , it is more convenient to write the multiplier under the multiplicand . 61. When the multiplier consists of but one figure . Multiply 328 by 7 . EXPLANATION . - Multiplying 8 by 7 , ILLUSTRATION . Multiplicand , 328 7 Product ...
Σελίδα 68
... factors have ciphers on the right . Every cipher that we annex to a whole number moves each of its digits one place to the left ; but this is the same as multiplying by 10 . Hence , to multiply a whole number by 10 , 68 MULTIPLICATION .
... factors have ciphers on the right . Every cipher that we annex to a whole number moves each of its digits one place to the left ; but this is the same as multiplying by 10 . Hence , to multiply a whole number by 10 , 68 MULTIPLICATION .
Σελίδα 69
... factors terminate in ciphers , multiply the sig- nificant figures , and to the result annex as many ciphers as there are at the right of both factors . Multiply 8900 by 9000 . EXPLANATION . - Here we multiply 89 by 9 , which gives 801 ...
... factors terminate in ciphers , multiply the sig- nificant figures , and to the result annex as many ciphers as there are at the right of both factors . Multiply 8900 by 9000 . EXPLANATION . - Here we multiply 89 by 9 , which gives 801 ...
Σελίδα 70
... factors than itself and one . Thus , 6 is a composite number , because it can be sepa- rated into the factors 2 and 3 . NOTE . - Scholars should be carefully taught to distinguish be- tween factors of a number and parts of a number ...
... factors than itself and one . Thus , 6 is a composite number , because it can be sepa- rated into the factors 2 and 3 . NOTE . - Scholars should be carefully taught to distinguish be- tween factors of a number and parts of a number ...
Συχνά εμφανιζόμενοι όροι και φράσεις
abstract number acres annex apples bers bought boys bushels called ciphers column common denominator common fractions complex fraction composite number COMPOUND NUMBERS currency decimal fraction decimal point decimeters denominate number dimes discount Divide dividend dollars equal EXAMPLES FOR WRITTEN EXERCISES FOR ORAL EXPLANATION.-We expressed feet Find the cost Find the interest Find the sum following numbers following RULE fractional unit gallon Give the rule greatest common divisor hence horses hundred hundredths ILLUSTRATION improper fraction integral least common multiple leaves marbles meters method Metric system minuend mixed number months multiplicand notation number of things operation of finding pears percentage primary unit prime factors proper fraction quarts quotient Recite the table remainder sheep shillings simple fraction simple numbers sold square subtract subtrahend tens thousand U. S. dollars whole number Write the number writing numbers yards
Δημοφιλή αποσπάσματα
Σελίδα 178 - A Circle is a plane figure bounded by a curved line every point of which is equally distant from a point within called the center.
Σελίδα 173 - TIME 60 seconds (sec.) = 1 minute (min.) 60 minutes = 1 hour (hr.) 24 hours = 1 day (da.) 7 days = 1 week (wk.) 365 days = 1 common year (yr.) 366 days = 1 leap year About 30 days = 1 month (mo.) 12 months = 1 year VALUE 10 cents (ct.
Σελίδα 178 - LIQUID MEASURE 4 gills (gi.) = 1 pint (pt.) 2 pints = 1 quart (qt...
Σελίδα 178 - DRY MEASURE 2 pints (pt.) = 1 quart (qt.) 8 quarts = 1 peck (pk.) 4 pecks = 1 bushel (bu...
Σελίδα 123 - Multiply the whole number by the numerator of the fraction, and divide the product by the denominator.
Σελίδα 155 - TABLE. 4 farthings (far. or qr.) make 1 penny d. 12 pence " 1 shilling, s. 20 shillings " 1 pound or sovereign . . £ or sov.
Σελίδα 93 - Multiplying or dividing both Dividend and Divisor by the same number, does not change the Quotient.
Σελίδα 144 - 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 176 - 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 157 - 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.