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 79
... cancellation that may be offered , this method is given . It will afterwards be found useful in calculating the principal , the rate , or the time . Pupils should not at this stage be taught more than NOTES ON CHAPTER NINE 79.
... cancellation that may be offered , this method is given . It will afterwards be found useful in calculating the principal , the rate , or the time . Pupils should not at this stage be taught more than NOTES ON CHAPTER NINE 79.
Σελίδα 117
... principal , the rate , or the time have very little " practical " value , they can be so readily taught by the algebraic method that the time spent upon them need not be very great . A pupil that is able to calculate one of a series of ...
... principal , the rate , or the time have very little " practical " value , they can be so readily taught by the algebraic method that the time spent upon them need not be very great . A pupil that is able to calculate one of a series of ...
Σελίδα 118
... Principal $ 97.57- $ 7.57 = $ 90 . 90 × 16 × x = 7.57 . 21. Let x = principal . x × 4 × 846 x + 196.92 . 100 x 360 The interest is then found by subtracting from $ 196.92 , the value obtained for x . 22. First find the principal ( x ) ...
... Principal $ 97.57- $ 7.57 = $ 90 . 90 × 16 × x = 7.57 . 21. Let x = principal . x × 4 × 846 x + 196.92 . 100 x 360 The interest is then found by subtracting from $ 196.92 , the value obtained for x . 22. First find the principal ( x ) ...
Σελίδα 119
... principal of $ 100 , at the given rate . 5. The pupils may remember ( Art . 878 , No. 15 ) that 5 % for a year is 1 % for 72 da . 6. 4 % per year is 1 % for 90 da . 11. 2 mo . 12 da . 72 da . See 5 . == 12. 1 % for 80 da . is ( 360 ÷ 80 ) ...
... principal of $ 100 , at the given rate . 5. The pupils may remember ( Art . 878 , No. 15 ) that 5 % for a year is 1 % for 72 da . 6. 4 % per year is 1 % for 90 da . 11. 2 mo . 12 da . 72 da . See 5 . == 12. 1 % for 80 da . is ( 360 ÷ 80 ) ...
Σελίδα 127
... principal- $ 150 , $ 575 , or $ 343.75 - will double itself at 5 % in ( 1005 ) yr . 12. The pupils will need to obtain a correct idea of the mean- ing of the word " premium " in this connection , as they will find it used differently ...
... principal- $ 150 , $ 575 , or $ 343.75 - will double itself at 5 % in ( 1005 ) yr . 12. The pupils will need to obtain a correct idea of the mean- ing of the word " premium " in this connection , as they will find it used differently ...
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Συχνά εμφανιζόμενοι όροι και φράσεις
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
Δημοφιλή αποσπάσματα
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.