The Werner Arithmetic: Oral and Written, Τόμος 3American Book Company, 1898 |
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Σελίδα 17
... find the perimeter of an oblong , multiply the sum of the numbers denoting its length and breadth by 2 . 19. Unknown numbers , or those which are to be found by the solution of a problem , are usually represented by the last letters of ...
... find the perimeter of an oblong , multiply the sum of the numbers denoting its length and breadth by 2 . 19. Unknown numbers , or those which are to be found by the solution of a problem , are usually represented by the last letters of ...
Σελίδα 18
... Find the sum of the eight results . 22. EXERCISE . Find the numerical value of each of the following expressions if a = 20 , b = 4 , and c = 2 : 1. 3 ( a + b ) = * 2. 2 ( a - b ) = 3. 4 ( a + b + c ) : = 5. a ÷ b = 6 . ( a + b ) + c = t ...
... Find the sum of the eight results . 22. EXERCISE . Find the numerical value of each of the following expressions if a = 20 , b = 4 , and c = 2 : 1. 3 ( a + b ) = * 2. 2 ( a - b ) = 3. 4 ( a + b + c ) : = 5. a ÷ b = 6 . ( a + b ) + c = t ...
Σελίδα 22
... sum . 37. Observe that in written problems in addition the figures that stand for units of the same order are usually written in the same column . 1. In example 2 , what figures represent units ... Find the sum of 22 THE WERNER ARITHMETIC .
... sum . 37. Observe that in written problems in addition the figures that stand for units of the same order are usually written in the same column . 1. In example 2 , what figures represent units ... Find the sum of 22 THE WERNER ARITHMETIC .
Σελίδα 23
Oral and Written Frank H. Hall. Addition - Simple Numbers . 39. Find the sum of 275 , 436 , and 821 . Operation . 275 436 821 1532 . Explanation . The sum of the units of the first order is 12 , this is equal to one unit of the second ...
Oral and Written Frank H. Hall. Addition - Simple Numbers . 39. Find the sum of 275 , 436 , and 821 . Operation . 275 436 821 1532 . Explanation . The sum of the units of the first order is 12 , this is equal to one unit of the second ...
Σελίδα 24
... Find the sum of the eight sums . TO THE PUPIL . - Can you solve these eight problems and find the sum of the eight sums on first trial without an error ? Addition - United States Money . 43. Find the sum 24 THE WERNER ARITHMETIC .
... Find the sum of the eight sums . TO THE PUPIL . - Can you solve these eight problems and find the sum of the eight sums on first trial without an error ? Addition - United States Money . 43. Find the sum 24 THE WERNER ARITHMETIC .
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Συχνά εμφανιζόμενοι όροι και φράσεις
acres Algebra Algebraic Fractions altitude annual Avoirdupois bicycle geared bonds bought bushel cent centimeters circle circumference common fraction contained cord corn cube cubic centimeters cubic feet cubic foot decimal order decimeter described in problem diameter discount Divide dividend dollars equal Estimate exact divisor exactly divisible EXAMPLE Explanation Express the ratio feet long figure Find the amount Find the approximate Find the area Find the cost Find the interest Find the sum five results gain hundred hundredths inches wide integral number least common multiple meters miles minuend MISCELLANEOUS REVIEW multiply a number NOTE NOTE.-The nutritive ratio Observe Operation perfect squares perimeter piece of land pound primary units prime factors pupil pupils image rectangular rhomboid rhombus right angles side sold solid content specific gravity square root subtract tenths thousandths triangle twelve products Verify weight
Δημοφιλή αποσπάσματα
Σελίδα 256 - TIME 60 seconds (sec.) = 1 minute (min.) 60 minutes =1 hour (hr.) 24...
Σελίδα 110 - Multiplying or dividing both terms of a fraction by the same number does not change the value of the fraction.
Σελίδα 233 - Square Measure 144 square inches (sq. in.) = 1 square foot (sq. ft.) 9 square feet = 1 square yard (sq.
Σελίδα 101 - Reduce the fractions to a common denominator and divide the numerator of the dividend by the numerator of the divisor.
Σελίδα 96 - Multiply the numerators together for a new numerator, and the denominators together for a new denominator.
Σελίδα 252 - LIQUID MEASURE 4 gills (gi.) = 1 pint (pt.) 2 pints = 1 quart (qt.) 4 quarts = 1 gallon (gal...
Σελίδα 205 - The cube root of a number is one of its three equal factors. Thus, 4 is the cube root of 64.
Σελίδα 196 - ... 291. MAGNITUDES WHICH ARE INVERSELY PROPORTIONAL TO OTHER MAGNITUDES OR TO THE SQUARES OF OTHER MAGNITUDES. EXAMPLE. If 5 men do a piece of work in 16 days, how long will it take 8 men to do a similar piece of work ? OPERATION AND EXPLANATION. It is evident that the time required will be inversely proportional to the number of men employed ; that is, if twice as many men are employed, not twice as much, but $ as much time will be required.
Σελίδα 19 - Lines drawn upon paper or upon the blackboard are not geometrical lines, since they have breadth and thickness. They represent geometrical lines. 25. A straight line is the shortest distance from one point to another point. 26. A curved line changes its direction at every point. 27. A broken line is not straight, but is made up of straight lines. 1. The line AB is a . 2. The line CD is a . 3. The line £Fis a . 4.
Σελίδα 224 - OF WEIGHT 10 milligrams (mg.) = 1 centigram (eg.) 10 centigrams = 1 decigram (dg.) 10 decigrams = 1 gram (g.) 10 grams = 1 dekagram (Dg...