Mathematics for Common Schools: A Manual for Teachers, Including Definitions, Principles, and Rules and Solutions of the More Difficult Problems1896 |
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Σελίδα 77
... ascertained , are made to the mensuration of surfaces and volumes , the calculation of heights and distances , etc. No attempt is made to anticipate the work of the high - school by teaching geometry as a science . While the ...
... ascertained , are made to the mensuration of surfaces and volumes , the calculation of heights and distances , etc. No attempt is made to anticipate the work of the high - school by teaching geometry as a science . While the ...
Σελίδα 96
... ascertain the base or the rate by the older arithmetical method , will omit 30-41 . х 30 . × 65 - 100 13 x 20 X Ans . 35. x + - 132 ; etc. 5 31 . 13x = 26 ; etc. 37. x 20 813 32 . 33 . 114 814 of x == Ans . X х 38 . of 4 100 - 78 ; etc ...
... ascertain the base or the rate by the older arithmetical method , will omit 30-41 . х 30 . × 65 - 100 13 x 20 X Ans . 35. x + - 132 ; etc. 5 31 . 13x = 26 ; etc. 37. x 20 813 32 . 33 . 114 814 of x == Ans . X х 38 . of 4 100 - 78 ; etc ...
Σελίδα 99
... ascertain the gain or the loss before com- mencing his equation . The formula employed in the first five examples is : Cost X rate 100 gain or loss . When the pupil knows any two of these three terms , he can calculate the third ; and 6 ...
... ascertain the gain or the loss before com- mencing his equation . The formula employed in the first five examples is : Cost X rate 100 gain or loss . When the pupil knows any two of these three terms , he can calculate the third ; and 6 ...
Σελίδα 107
... ascertain the result by themselves . In case of a failure to obtain the correct answer , a discussion of the matter will lead to a proper understanding of the principles involved . 906. 1900 is not a leap year . See Arithmetic , Art ...
... ascertain the result by themselves . In case of a failure to obtain the correct answer , a discussion of the matter will lead to a proper understanding of the principles involved . 906. 1900 is not a leap year . See Arithmetic , Art ...
Σελίδα 114
... ascertained by referring to the corresponding triangle of 3. Let the scholars do this for themselves . 5. The areas of the oblique - angled triangles constituting the first and second quadrilaterals , can be calculated by the pupils ...
... ascertained by referring to the corresponding triangle of 3. Let the scholars do this for themselves . 5. The areas of the oblique - angled triangles constituting the first and second quadrilaterals , can be calculated by the pupils ...
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acres algebraic altitude amount angle Annual interest apothem Arithmetic ascertain base bisecting calculate Cancel cent chord circle circumference commission construct contains convex surface cost days of grace decimal deducting diagonal diameter difference Divide dividend divisor draft draw drawn equal equation factors figure frustum gain given gives greatest common divisor hypotenuse Improper Fraction inches intersecting least common multiple length longitude loss March 17 marked price measure method minuend mixed numbers Multiply number of days number of degrees number of square obtain par value payment percentage perpendicular principal problems Proceeds profits protractor pupils quotient radius rectangle remaining rhombus right-angled triangle rods RULE scholars selling price side slant height solve subtract subtrahend teacher term vertex whole number William Simms yards
Δημοφιλή αποσπάσματα
Σελίδα 173 - A corporation is an association of a number of persons legally empowered to transact business as a single individual. The charter specifies the name of the corporation, the amount of capital, the business it is authorized to carry on, the powers and privileges conferred, etc. 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 shareholder is the owner of one or more shares ; a stockbroker is a person engaged in...
Σελίδα xix - 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 viii - Reduce the fractions to a common denominator and divide the numerator of the dividend by the numerator of the divisor.
Σελίδα ii - I. Write the divisor at the left of the dividend, with a line between them.
Σελίδα vi - Multiplying or dividing both terms of a fraction by the same number does not alter the value of the fraction.
Σελίδα 126 - Multiply the sum of the parallel sides by the perpendicular distance between them, and half the product will be the area.
Σελίδα vii - 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 iii - 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.