Arithmetic1903 - 80 σελίδες |
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Αποτελέσματα 1 - 5 από τα 16.
Σελίδα 9
... line , the rectangle , and the rectangular solid are introduced early in the course . In the low sixth grade much time is given to the study of simple constructions and mensuration . In the low eighth grade , elementary Concrete ...
... line , the rectangle , and the rectangular solid are introduced early in the course . In the low sixth grade much time is given to the study of simple constructions and mensuration . In the low eighth grade , elementary Concrete ...
Σελίδα 15
... lines , etc. ( b ) Measuring lines , desks , heights of pupils , etc. ( c ) Estimating lengths , drawing lines of given lengths , using inches , feet , yards , and testing . 2. Measures of capacity- ( a ) Comparison of size of vessels ...
... lines , etc. ( b ) Measuring lines , desks , heights of pupils , etc. ( c ) Estimating lengths , drawing lines of given lengths , using inches , feet , yards , and testing . 2. Measures of capacity- ( a ) Comparison of size of vessels ...
Σελίδα 18
... 45 55 65 75 85 95 46 56 66 76 86 96 47 57 67 77 87 97 48 58 68 78 88 98 69 79 89 99 ΙΟ 20 30 40 50 60 70 80 90 100 Keep the lines straight vertically and horizontally . 2. Count by twos forward at first , later backward 18 ARITHMETIC .
... 45 55 65 75 85 95 46 56 66 76 86 96 47 57 67 77 87 97 48 58 68 78 88 98 69 79 89 99 ΙΟ 20 30 40 50 60 70 80 90 100 Keep the lines straight vertically and horizontally . 2. Count by twos forward at first , later backward 18 ARITHMETIC .
Σελίδα 21
... Lines . ( a ) Reduction ascending and descending , confining the work to tables already learned . ( b ) Addition and subtraction of compounds . It is seldom necessary or desirable to use numbers of more than two denominations . ( c ) ...
... Lines . ( a ) Reduction ascending and descending , confining the work to tables already learned . ( b ) Addition and subtraction of compounds . It is seldom necessary or desirable to use numbers of more than two denominations . ( c ) ...
Σελίδα 22
... lines drawn and facts noted as above . ( d ) Volumes of solids , e . g . Find the number of cubic feet in a cubic yard . ( e ) Problems relating to solids . III . PROBLEMS RELATING TO OTHER MEASURES . 1. Problems in weight and liquid ...
... lines drawn and facts noted as above . ( d ) Volumes of solids , e . g . Find the number of cubic feet in a cubic yard . ( e ) Problems relating to solids . III . PROBLEMS RELATING TO OTHER MEASURES . 1. Problems in weight and liquid ...
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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