Arithmetic1903 - 80 σελίδες |
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Σελίδα 5
... relations , will also perform an important educational office . Besides the acquisition of knowledge , education should give three things : Mental attitude , mental strength , and good mental habits . To each of these arith- metic ...
... relations , will also perform an important educational office . Besides the acquisition of knowledge , education should give three things : Mental attitude , mental strength , and good mental habits . To each of these arith- metic ...
Σελίδα 9
... relations . Prob- lems involving the metric weights and measures always confuse a child who has not had direct experience with the metric units . Problems relating to geometric figures never fail to interest the pupil who has been made ...
... relations . Prob- lems involving the metric weights and measures always confuse a child who has not had direct experience with the metric units . Problems relating to geometric figures never fail to interest the pupil who has been made ...
Σελίδα 11
... relations out of them , but because he wishes to make a house , a wagon , or a chair . He gets his number notions and relations because they are there , and he must have them in order to do his work properly . Processes and terms are ...
... relations out of them , but because he wishes to make a house , a wagon , or a chair . He gets his number notions and relations because they are there , and he must have them in order to do his work properly . Processes and terms are ...
Σελίδα 14
... relations ; he should have definite experience in estimating , comparing , and measuring objects , and in massing and counting units and groups of units . An average of from five to ten minutes a day , depending upon the size of the ...
... relations ; he should have definite experience in estimating , comparing , and measuring objects , and in massing and counting units and groups of units . An average of from five to ten minutes a day , depending upon the size of the ...
Σελίδα 25
... . == , etc. In like manner illustrate the relation of halves , sixths , twelfths , etc. Use for the same purpose blackboard illus- trations , similar to the following : - Low Fourth Year In this grade the pupil begins the THIRD YEAR . 25.
... . == , etc. In like manner illustrate the relation of halves , sixths , twelfths , etc. Use for the same purpose blackboard illus- trations , similar to the following : - Low Fourth Year In this grade the pupil begins the THIRD YEAR . 25.
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Συχνά εμφανιζόμενοι όροι και φράσεις
addition and subtraction Arithmetic arranged beginning boxes boys BROOM-CORN cardboard cents child ciphers combinations common fraction Concrete Geometry construction count forward course cubic cubic foot decimal places decimal point denominate numbers develop divide dividend divisor eight exactly contain exercise factors feet figures Find a number Find the G. C. D. Find the interest Find the L. C. M. fourth full method given number Grade LOW higher appreciation hundredths improper fraction inches introduced large numbers Learn the number long division low second manual training Measure MENSURATION months multiplication table multiply number decades number groups number table parallelogram pencil Plate pupil quotient raffia rectangle Reduce rule second grade SEWING for girls simple single column sixths solids square root student subtraction of fractions taught Teach teacher TEXTILE WEAVING third tion trapezoid type problems units weeks weeks)-Same whole number writing yard ΙΟ
Δημοφιλή αποσπάσματα
Σελίδα 35 - To multiply a fraction by a fraction. Multiply the numerators together for a new numerator, and the denominators together for a new denominator.
Σελίδα 35 - To DIVIDE A WHOLE NUMBER BY A FRACTION. — Multiply the whole number by the denominator of the fraction, and divide the product by the numerator.
Σελίδα 36 - Multiply as in whole numbers, and point off as many decimal places in the product as there are decimal places in the multiplicand and multiplier, supplying the deficiency, if any, by prefixing ciphers.
Σελίδα 36 - To divide by .1, .01, .001, etc., it is necessary only to move the decimal point in the dividend as many places to the right as there are decimal places in the divisor.
Σελίδα 34 - Divide the whole number by the denominator of the fraction, and multiply the quotient by the numerator: Or, Multiply the whole number by the numerator of the fraction, and divide, the product by the denominator.
Σελίδα 36 - Reduce the fractions to a common denominator and divide the numerator of the dividend by the numerator of the divisor.
Σελίδα 44 - Hence for the division of one fraction by another the usual rule again results, as follows: Rule. — Invert the terms of the divisor and proceed as in multiplication. This might naturally be expected by remembering the relation between multiplication and division, and that one is the exact inverse of the other. For the multiplication of a series of fractions into each other these principles work out as follows...
Σελίδα 44 - The reason for this rule is the same, in reality, as that for the preceding one. 37. |i'or, multiplying the numerator of the dividend by the denominator of the divisor multiplies the dividend by that number.
Σελίδα 40 - If two triangles have equal altitudes, their sum is equal to the triangle having the same altitude and having a base equal to the sum of the bases of the two triangles.
Σελίδα 57 - To find the time, when the principal, interest, and rate are given. ILLUSTRATIVE EXAMPLE. At ±% per annum, in what time will $315 produce $20.79 interest? SOLUTION. $ 315, int. for 9 da. @ k%. EXPLANATION. — The ordinary interest of 035, '" " I