Elementary Arithmetic, Oral and WrittenA.S. Barnes, 1878 - 232 σελίδες |
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Σελίδα 8
... things of the same kind . What number tells how many girls there are on the grounds ? What is the number of boys ? Thus far we have used words to express numbers ; we may also use Figures . The number of houses may be written one or 1 ...
... things of the same kind . What number tells how many girls there are on the grounds ? What is the number of boys ? Thus far we have used words to express numbers ; we may also use Figures . The number of houses may be written one or 1 ...
Σελίδα 22
... thing . 2. A Number is one or more things of the same kind . 3. A Figure is a character used to denote a number . 4. Notation is the method of writing numbers . 5. Numeration is the method of reading written numbers . 6. The Word ...
... thing . 2. A Number is one or more things of the same kind . 3. A Figure is a character used to denote a number . 4. Notation is the method of writing numbers . 5. Numeration is the method of reading written numbers . 6. The Word ...
Σελίδα 23
... thing - a unit . If we make a bundle of ten books this bundle is a single thing , and is , therefore , a unit . But these units are not alike . One unit is a single book ; the other is a single bundle of ten books . The single book is ...
... thing - a unit . If we make a bundle of ten books this bundle is a single thing , and is , therefore , a unit . But these units are not alike . One unit is a single book ; the other is a single bundle of ten books . The single book is ...
Σελίδα 24
... thing - a unit . How many small bundles in the large bundle ? This last mentioned unit is a unit of the third order . How many units of the second order make one unit of the third order ? Write the figure one , and at the left of it ...
... thing - a unit . How many small bundles in the large bundle ? This last mentioned unit is a unit of the third order . How many units of the second order make one unit of the third order ? Write the figure one , and at the left of it ...
Σελίδα 25
... and in the same line one unit of the third order , five units of the second order , and nine units of the first . What number do they express ? Units of the First Order express single things , and 2 NOTATION AND NUMERATION . 25.
... and in the same line one unit of the third order , five units of the second order , and nine units of the first . What number do they express ? Units of the First Order express single things , and 2 NOTATION AND NUMERATION . 25.
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.