A Manual for Teachers: Including Definitions, Principles, and Rules and Solutions of the More Difficult ProblemsD.C. Heath, 1895 - 352 σελίδες |
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Σελίδα 9
... units . Whether or not they can explain the principles underlying the operations is of next to no importance , if they can do the work with reasonable accuracy and rapidity . When decimal fractions are taken up , the principles of ...
... units . Whether or not they can explain the principles underlying the operations is of next to no importance , if they can do the work with reasonable accuracy and rapidity . When decimal fractions are taken up , the principles of ...
Σελίδα 14
... units are brought in from time to time . - - The Grube Method . A growing number of educators believe that early arithmetical instruction should be based upon the study of numbers , rather than upon that of processes , that the former ...
... units are brought in from time to time . - - The Grube Method . A growing number of educators believe that early arithmetical instruction should be based upon the study of numbers , rather than upon that of processes , that the former ...
Σελίδα 36
... units ' figures . The special drills of the last chapter should have taught him to think immediately of 80 when he sees 40 + 40 , 60 + 20 , 50 + 30 , etc. The next step in this work should contain such combina- tions as 4740 , 63+ 20 ...
... units ' figures . The special drills of the last chapter should have taught him to think immediately of 80 when he sees 40 + 40 , 60 + 20 , 50 + 30 , etc. The next step in this work should contain such combina- tions as 4740 , 63+ 20 ...
Σελίδα 43
... units ' figure . ( b ) ? 125 632 1000 Have another pupil work ( b ) in the same way . Nos . 1 to 5 may be used as a class exercise , each pupil writing only the answer on his paper , the examples being placed on the board . 385. In many ...
... units ' figure . ( b ) ? 125 632 1000 Have another pupil work ( b ) in the same way . Nos . 1 to 5 may be used as a class exercise , each pupil writing only the answer on his paper , the examples being placed on the board . 385. In many ...
Σελίδα 46
... unit , the larger is each portion . Do not require scholars to change these fractions to equivalent ones having a common denominator . 467. For finding the difference between two mixed numbers when the fraction in the subtrahend is ...
... unit , the larger is each portion . Do not require scholars to change these fractions to equivalent ones having a common denominator . 467. For finding the difference between two mixed numbers when the fraction in the subtrahend is ...
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12 rods acres algebraic altitude amount angle answer apothem Arithmetic ascertain base bisecting bushels Cancel cents chord ciphers circle circumference common fraction construct contains cost days of grace denominate numbers diameter difference discount dividend dividing division divisor draft draw drills employed equal equation examples exercises factors feet frustum gain give given greatest common divisor hypotenuse improper fraction inches least common multiple length March 17 measure method miles minuend mixed numbers multiplicand multiplying necessary number of degrees number of square obtain par value payment perpendicular pounds principal problems protractor pupils quarts quotient figure radius rectangle reduce remainder result rhombus right-angled triangle rods RULE scholars selling price side slant height solve subtraction subtrahend teacher whole number write written yards
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Σελίδα ii - Multiplying or dividing both terms of a fraction by the same number does not alter the value of the fraction.
Σελίδα 20 - I. Write the divisor at the left of the dividend, with a line between them.
Σελίδα xv - Multiply each payment by its term of credit, and divide the sum of the products by the sum of the payments ; the quotient will be the average term of credit.
Σελίδα 173 - The stock is the money invested in the business of the corporation ; a share is one of the equal parts into which the stock is divided ; a...
Σελίδα xiii - THE UNITED STATES RULE. Find the amount of the principal to the time when the payment, or sum of the payments, equals or exceeds the interest. From this amount deduct the payment or sum of the payments.
Σελίδα iv - Reduce the fractions to a common denominator and divide the numerator of the dividend by the numerator of the divisor.
Σελίδα xvi - In any proportion the product of the means is equal to the product of the extremes.
Σελίδα iii - To reduce a mixed number to an improper fraction, — RULE : Multiply the whole number by the denominator of the fraction, to the product add the numerator, and write the result over the denominator.
Σελίδα 126 - Multiply the sum of the parallel sides by the perpendicular distance between them, and half the product will be the area.
Σελίδα 21 - RULE. Divide the given number by any prime factor ; divide the quotient in the same manner, and so continue the division until the quotient is a prime number.