The principles of arithmetic |
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Página 3
... removed , and beginning again when his fingers are all up ; the second boy putting up a finger for every occasion on which the first boy is obliged to begin again ; the third boy putting up a finger for every occasion on which the ...
... removed , and beginning again when his fingers are all up ; the second boy putting up a finger for every occasion on which the first boy is obliged to begin again ; the third boy putting up a finger for every occasion on which the ...
Página 4
... removal of five hundred and sixty nuts , five of the third boy's fingers , six of the second boy's , and none of the first boy's would be up . This number of nuts would be written-- 560 : the cipher , whilst representing no portion of ...
... removal of five hundred and sixty nuts , five of the third boy's fingers , six of the second boy's , and none of the first boy's would be up . This number of nuts would be written-- 560 : the cipher , whilst representing no portion of ...
Página 7
... removed one place to the right , one hundred times less when removed two places to the right , one thousand times less when removed three places to the right , and so on . † Bearing this in mind , we are prepared to be told that , in ...
... removed one place to the right , one hundred times less when removed two places to the right , one thousand times less when removed three places to the right , and so on . † Bearing this in mind , we are prepared to be told that , in ...
Página 8
... removed one place , and a hundred times greater when removed two places to the left , it will be evident that the number of THOUSANDTHS which the digit represents in the place marked ( b ) is ten , and in the place marked ( a ) one ...
... removed one place , and a hundred times greater when removed two places to the left , it will be evident that the number of THOUSANDTHS which the digit represents in the place marked ( b ) is ten , and in the place marked ( a ) one ...
Página 13
... removal of the ciphers would change the first of these combina- tions into 83 , the second into 17 , and the third into 25 ° 49 - the digits 8 and 3 being each removed a place to the right , 7 a place to the left , 2 a place to the ...
... removal of the ciphers would change the first of these combina- tions into 83 , the second into 17 , and the third into 25 ° 49 - the digits 8 and 3 being each removed a place to the right , 7 a place to the left , 2 a place to the ...
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Términos y frases comunes
acres addends amount annex annuity arithmetical mean arithmetical progression Avoirdupois bill called cent centimes ciphers circulating decimal column common difference common ratio convert cost-price cube root decimal fraction decimal point denominator digit divide division divisor dwts employed equal exact number EXAMPLE exceeds expressed falling due farthings fourth term fractional unit gallon geometrical mean geometrical progression given number greatest common measure hundred hundredths inches instalments Irish larger number least common multiple left-hand length less logarithm mantissa MILLIONTHS minuend multiplicand multiply notes number of terms obtain occupies partial dividend pence perches period pounds present value prime factors principal Proportion remainder remove the decimal represent respectively resulting quotient right-hand root-figure senary shillings simple numbers smaller square root subtracting subtrahend tens tenths third term thousandths trial-dividend trial-divisor vulgar fraction whilst whole number write yards ΙΟ
Pasajes populares
Página 56 - To divide by 10, 100, 1000, etc., it is necessary only to move the decimal point in the dividend as many places to the left as there are ciphers in the divisor.
Página 45 - To multiply a decimal by 10, 100, 1000, &c., remove the decimal point as many places to the right as there are ciphers in the multiplier ; and if there be not places enough in the number, annex ciphers.
Página 140 - When a decimal number is to be divided by 10, 100, 1000, &c., remove the decimal point as many places to the left as there are ciphers in the divisor, and if there be not figures enough in the number, prefix ciphers.
Página 70 - MEASURE. 144 Square inches (sq. in.) make 1 Square foot, sq. ft. 9 Square feet " 1 Square yard, sq. yd. 30¿ Square yards " 1 Square rod or pole, p. 40 Square rods
Página 70 - Square Measure 144 square inches (sq. in.) = 1 square foot (sq. ft.) 9 square feet = 1 square yard (sq.
Página 64 - If the divisor contains decimal places, we may remove the decimal point from the divisor, provided we carry the decimal point in the dividend as many places to the right as there are decimal places in the divisor.
Página 332 - The book should be in the hands of every student of the history of Ireland.
Página 268 - Multiply the sum of the extremes by half the number of terms, and the product is the sum required.
Página 255 - Seek the greatest cube in the first period, and set its root on the right after the manner of a quotient in division. Subtract the cube of this figure from the first period, and to the remainder bring down the first figure of the next period, and call the number the dividend.
Página 69 - Span: 9 inches or 22.86 cm. Derived from the distance between the end of the thumb and the end of the little finger when both are outstretched.