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 41
... 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 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 ...
Σελίδα 51
... units ' figure ( 0 ) of the first product ( 2 × 5 ) . Pointing to 52 , the pupil says 25 , 26 , 260 ; to 92 , he says 45 , 46 , 460. After sufficient drill with 5 as a multiplier , it is replaced successively by 6 , 7 , 8 , etc. The row ...
... units ' figure ( 0 ) of the first product ( 2 × 5 ) . Pointing to 52 , the pupil says 25 , 26 , 260 ; to 92 , he says 45 , 46 , 460. After sufficient drill with 5 as a multiplier , it is replaced successively by 6 , 7 , 8 , etc. The row ...
Σελίδα 62
... unit employed should generally be a circle , the part dealt with being distinguished by shading . The zealous teacher should not become discouraged at the inability of some members of the class to thoroughly grasp the mathematical ...
... unit employed should generally be a circle , the part dealt with being distinguished by shading . The zealous teacher should not become discouraged at the inability of some members of the class to thoroughly grasp the mathematical ...
Σελίδα 71
... units ' figure under the other . No. 28 should be worked as is here shown . Annexing two ciphers to the multiplicand and multiplying by gives the product by 663 . 48600 2 3 ) 97200 32400 226800 2300400 719-720 . See Art . 521 . 1. 24 lb ...
... units ' figure under the other . No. 28 should be worked as is here shown . Annexing two ciphers to the multiplicand and multiplying by gives the product by 663 . 48600 2 3 ) 97200 32400 226800 2300400 719-720 . See Art . 521 . 1. 24 lb ...
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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