Cobb's Explanatory Arithmetick, No. 1 ...

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Harper & brothers, 1834 - Arithmetic - 108 pages
 

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Page 83 - 14 2 " 16 2 " 18 2 " 20 2 " 22 2 " 24 3 " 21 3 " 24 3 " 27 3 " 30 3 " 33 3 " 36 4 " 28 4 « 32 4 " 36 4 " 40 4 « 44 4 " 48 5 " 35 5 " 40 5 " 45 5 " 50 5 " 55 5
Page 84 - 14 2 " 16 2 " 18 2 " 20 2 " 22 2 " 24 3 " 21 3 " 24 3 " 27 3 " 30 3 " 33 3 " 36 4 " 28 4 « 32 4 " 36 4 " 40 4 « 44 4 " 48 5 " 35 5 " 40 5 " 45 5 " 50 5 " 55 5
Page 57 - ... 5 times 1 are 5 5 times 2 are 10 5 times 3 are 15 5 times 4 are 20 5 times 5 are 25 5 times 6 are 30 5 times 7 are 35 5 times 8 are 40 5 times 9 are 45 5 times 10 are 50 5 times 11 are 55 5 times 12 are 60...
Page 83 - ... 6 in 36, 6 times 6 in 42, 7 times 6 in 48, 8 times 6 in 54, 9 times 3 in 3, 1 time 3 in 6, 2 times 3 in 9, 3 times 3 in 12, 4 times 3 in 15, 5 times 3 in 18, 6 times 3 in 21, 7 times 3 in 24, 8 times 3 in 27, 9 times...
Page 82 - When the multiplier is 10, 100, 1000, or 1 with any number of ciphers annexed, annex as many ciphers to the multiplicand as there are ciphers in the multiplier, and the multiplicand, so increased, will be the product required.
Page 57 - ... are 24 3 times 1 are 3 3 times 2 are 6 3 times 3 are 9 3 times 4 are 12 3 times 5 are 15 3 times 6 are 18 3 times 7 are 21 3 times 8 are 24 3 times 9 are...
Page 100 - Cut off as many figures from the right of the dividend as there are ciphers...
Page 39 - ... leaves 10 8 from 8 leaves 0 8 from 9 leaves 1 8 from 10 leaves 2 8 from 11 leaves 3 8 from 12 leaves 4 8 from 13 leaves 5 8 from 14 leaves 6 8 from 15 leaves 7 8 from 16 leaves 8 8 from 17 leaves 9 8 from 18 leaves 10...
Page 48 - General Washington was born in 1732, and died in 1799: how old was he when he died?
Page 97 - ... dividend used, and to the remainder bring down the next figure of the dividend, which is 0, making 20, for the second partial dividend.

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