## The science of arithmetic, by J. Cornwell and J.G. Fitch |

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acres added Addition amount answer applied Arithmetic becomes called carried cent ciphers common considered contains cost cube root cubic decimal Demonstrative denominator diameter difference digits divide dividend Division divisor employed equal evident Example EXERCISE expressed factors farthings feet figures foot four fourth fraction give given greater half Hence hundred inches increase interest kind length less logarithms magnitudes manner means measure method miles months multiply necessary Observation obtained ordinary persons poles pound present prime principal proportion quantity question quotient ratio Reduce remainder represent result root rule shillings side simple solid square subtract Suppose tables taken tens term third thousands true truth unit weight whole worth yards

### Popular passages

Page 313 - A number is divisible by 3 when the sum of its digits (figures) is divisible by 3 ; it is divisible by 9, when the sum of its digits is divisible by 9.

Page 96 - To reduce a mixed number to an improper fraction, — RULE : Multiply the whole number by the denominator of the fraction, to the product add the numerator, and write the result over the denominator.

Page 82 - ... remainder, and so on, until there is no remainder. The last divisor will be the greatest common divisor.

Page xi - Los números cardinales 0: zero 1: one 2: two 3: three 4: four 5: five 6: six 7: seven 8: eight 9: nine 10: ten 11: eleven 12: twelve 13: thirteen 14: fourteen 15: fifteen 16: sixteen 17: seventeen 18: eighteen 19: nineteen 20: twenty...

Page 315 - A privateer running at the rate of 10 miles an hour discovers a ship 18 miles off making way at the rate of 8 miles an hour : how many miles can the ship run before being overtaken ? Ans.

Page 179 - In a series of equal ratios, any antecedent is to its consequent, as the sum of all the antecedents is to the sum of all the consequents. Let a: 6 = c: d = e :/. Then, by Art.

Page 265 - To find the area of a circle, multiply the square of the diameter by .7854.

Page 189 - Sir," said I, after puzzling a long time over "more requiring more and less requiring less" — "will you tell me why I sometimes multiply the second and third terms together and divide by the first — and at other times multiply the first and second and divide by the third?" "Why, because more requires more sometimes, and sometimes it requires less — to be sure. Haven't you read the rule, my boy?" " Yes, sir, I can repeat the rule, but I don't understand it.

Page 179 - Division, when the difference of the first and second is to the second as the difference of the third and fourth is to the fourth...

Page 98 - If the numerator and denominator of a fraction be both multiplied or both divided by the same number, the value of the fraction is not altered.