Mathematics for Common Schools: A Manual for Teachings, Including Definitions, Principles, and Rules and Solutions of the More Difficult ProblemsD.C. Heath & Company, 1895 - 312 σελίδες |
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Σελίδα 35
... 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 construction problems are brought together into a single INTRODUCTORY 3.
... 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 construction problems are brought together into a single INTRODUCTORY 3.
Σελίδα 41
... calculate that 15 % of 120 is 18 , he should be allowed to try to work out for himself , without a rule , the solution of this problem : 18 is what per cent of 120 ? or of this : 18 is 15 % of what number ? These questions should ...
... calculate that 15 % of 120 is 18 , he should be allowed to try to work out for himself , without a rule , the solution of this problem : 18 is what per cent of 120 ? or of this : 18 is 15 % of what number ? These questions should ...
Σελίδα 68
... calculating the great- est common divisor , pupils should be encouraged to use large divisors ; 4 rather than 2 , when possible , and 25 rather than 5 . 688. The common fractions contained in these exercises are such as do not require ...
... calculating the great- est common divisor , pupils should be encouraged to use large divisors ; 4 rather than 2 , when possible , and 25 rather than 5 . 688. The common fractions contained in these exercises are such as do not require ...
Σελίδα 74
... calculating the area of a right - angled triangle . 758. In Art . 653 the pupils have been taught to multiply 183 by 6 in one line ; in Art . 654 , they have learned how to divide 18 by 2 , which is the same as finding of 183 , so that ...
... calculating the area of a right - angled triangle . 758. In Art . 653 the pupils have been taught to multiply 183 by 6 in one line ; in Art . 654 , they have learned how to divide 18 by 2 , which is the same as finding of 183 , so that ...
Σελίδα 78
... calculate the area of one part at a time . In 16 , it is suggested that the area of the walk be ascertained by subtracting from the whole area ( 250 ) x 200 ) sq . ft . , the area of the part left for the garden ( 230 x 180 ) sq . ft ...
... calculate the area of one part at a time . In 16 , it is suggested that the area of the walk be ascertained by subtracting from the whole area ( 250 ) x 200 ) sq . ft . , the area of the part left for the garden ( 230 x 180 ) sq . ft ...
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acres algebraic altitude amount angle answer apothem Arithmetic base bisecting calculate Cancel cents chord ciphers circle circumference common fraction construct contains convex surface cost days of grace deducting diameter difference discount dividend dividing division draft draw drawn employed equal equation examples exercises factors figure frustum given gives greatest common divisor Heart of Oak hypotenuse improper fraction inches interest intersecting least common multiple length measure method minuend mixed numbers multiplying NOTES ON CHAPTER number of degrees number of square obtain par value payment perpendicular pounds principal problems profits protractor pupils quarts quotient radius rectangle reduce remaining result rhombus right-angled triangle rods RULE scholars selling price side slant height solve subtract subtrahend teacher whole number write yards