# Colburn's First Lessons: Intellectual Arithmetic, Upon the Inductive Method of Instruction

W.J. Reynolds & Company, 1847 - Mental arithmetic - 160 pages
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### Contents

 Section 1 3 Section 2 4 Section 3 5 Section 4 7 Section 5 12 Section 6 13 Section 7 15 Section 8 40
 Section 10 58 Section 11 84 Section 12 108 Section 13 109 Section 14 111 Section 15 124 Section 16 125 Section 17 138

 Section 9 52
 Section 18 141

### Popular passages

Page 132 - What part of a year is 1 month ? 2 months ? 3 months ? 4 months ? 5 months ? 6 months ? 7 months? 8 months? 9 months? 10 months? 11 months ? 105.
Page 38 - What is the value of nine yards of cloth, at six dollars a yard ? 10. If a man travel five miles in an hour, how many miles will he travel in nine hours ? 11. There is an orchard consisting of ten rows of trees, and nine trees in each row ; how many trees are there in the orchard ? 12.
Page 117 - It will be seen by the above section, that, if both the numerator and denominator be multiplied by the same number, the value of the fraction will not be altered...
Page 140 - I have not a hundred ; but if I had half as many more as I now have, and two geese and a half, I should have a hundred ; how many had he ? 176.
Page 78 - If 4 men can do a piece of work in 8 days, how many men would it take to do the same work in 4 days ? 20.
Page 80 - A man, being asked how many sheep he had, said that he had them in two pastures ; in one pasture he had eight ; and that 3 fourths of these was just 1 third of what he had in the other. How many were there in the other ? 4.
Page 70 - Twenty-three - 23 Twenty-four 24 Twenty-five 25 Twenty-six 26 Twenty-seven - - - - 27 Twenty-eight 28 Twenty-nine ----- 29 Thirty 30 Thirty-one, &c. - - - - 31 Forty 40 Fifty 50 Sixty 60 Seventy ----- 70 Eighty - -' - - - 80 Ninety - 90 One hundred - ... 100 SECTION VI.
Page 125 - Mills. 10 mills (m.) make 1 cent, marked ct. 10 cents " 1 dime, " d. 10 dimes " 1 dollar, " doU. or \$. 10 dollars " 1 eagle, " E. OBS. 1. Federal money was established by Congress, Aug. 8, 1786. It i" based upon the principles of the decimal notation.
Page 138 - ... 30 men can perform a piece of work in 20 days ; how many men will it take to perform the same work in 8 days ? 162.
Page 122 - If 7 men can do a piece of work in 4f days, how long will it take 1 man to do it ? How long will it take 3 men to do it ? 4.