Practical and Mental Arithmetic, on a New Plan, in which Mental Arithmetic is Combined with the Use of the Slate

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Daniel Burgess and Company, 1836 - Arithmetic - 284 pages
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Page 2 - One 1 Two 2 Three 3 Four 4 Five 5 Six 6 Seven 7 Eight 8 Nine 9 Ten 10 Eleven 11 Twelve 12 Thirteen 13 Fourteen 14 Fifteen 15 Sixteen 16 Seventeen 17 Eighteen 18 Nineteen 19 Twenty -.20 Twenty-one 21 Twenty-two 22 Twenty-three 23 Twenty-four 24...
Page 209 - Compute the interest to the time of the first payment ; if that be one year or more from the time the interest commenced, add it to the principal, and deduct the payment from the sum total. If there be after payments made, compute the interest on the balance due to the next payment, and then deduct the payment as above ; and, in like manner, from one payment to another, till all the payments are absorbed ; provided the time between one payment and another be one year or more.
Page 79 - In 2 ? In 3 ? In 4? In 5? In 6? In 7? In 8? In 9? In 10? In 11 ? 5. How many times is 6 contained in 1 ? In 2 ? In 3 ? In 4? In 5? In 6?
Page 257 - Multiply the divisor, thus augmented, by the last figure of the root, and subtract the product from the dividend, and to the remainder bring down the next period for a new dividend.
Page 267 - Hence, to find the present worth of any annuity, at 5 or 6 per cent...
Page 261 - Divide the difference of the extremes by the common difference, and the quotient, increased by 1 , will be the answer.
Page 271 - A's income $400 ; A spends $300; B $450. 11. There is a fish whose head is 8 feet long, his tail is as long as his head and half...
Page 44 - The Dividend is the number to be divided. The Divisor is the number by which we divide. The Quotient is the number of times...
Page 210 - But if any payments be made before one year's interest hath accrued, then compute the interest on the principal sum due on the obligation, for one year, add it to the principal, and compute the interest on the sum paid, from the time it was paid, up to the end of the year ; add it to the sum paid, and deduct that sum from the principal and interest, added...
Page 176 - Divide the given interest by the interest of the given sum, at 1 per cent, for the given time ; the quotient will be the required rate.

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