# Practical and Mental Arithmetic: On a New Plan, in which Mental Arithmetic is Combined with the Use of the Slate ...

Glazier, Masters & Smith, 1843 - Arithmetic - 282 pages
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### Contents

 Addition 11 Subtraction 15 Multiplication 15 Numeration 17 Simple Subtraction 32 Simple Division 43 Questions on the foregoing 52 Addition of Federal Money 59
 Division of Decimals 144 To reduce Decimals of higher Denominations to Whole Numbers of lower 150 Questions on the foregoing 160 65 173 Compound InterestCompound Interest by Table 179 66 197 Tare and Trett ex 16 17 206 102 214

### Popular passages

Page 47 - A. Cut them off, and the same number of figures from the right of the dividend. Q. How do you divide the remaining figures of the dividend ? A.
Page 206 - If any payments be made before one year's interest has 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 as above.
Page 40 - The number to be divided is called the dividend. The number by which we divide is called the divisor. The number which shows how many times the divisor is contained in the dividend is called the quotient.
Page 11 - How many hands have you? 3. If you have two nuts in one hand and one in the other, how many have you in both?
Page 217 - How many shingles will it take to cover the roof of a barn 40 feet long, allowing the length of the rafters to be 16 ft. 6 in., and 6 shingles to cover 1 square foot ? what will they cost, at \$1,25 per 1000?
Page 247 - Point off the given number into periods of two figures each, by putting a dot over the units, another over the place of hundreds, and so on ; and if there be decimals, point them in the same manner from units towards the right hand, which dots will show the number of figures the root will consist of.
Page 114 - The above process, by close inspection, will bo found to — consist in multiplying together the two numerators for a new numerator, and the two denominators for a new denominator. Should a whole number occur in any example, it may be reduced to an improper fraction, by placing the figure 1 under it ; thus 7 becomes...
Page 78 - In 3 ? In 4 ? In 5 ? In 6? In 7? In 8? In 9? In 10? In 20?
Page 204 - COMPUTE the interest on the principal sum, from the time when the interest commenced to the first time when a payment was made, which exceeds either alone or in conjunction with the preceding payments (if any) the interest at that time due: add that interest to the principal, and from the sum subtract the payment made at that time, together with the preceding payments (if any) and the remainder forms a new principal ; on which, compute and subtract the interest, as upon the first principal: and proceed...
Page 206 - 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 together.