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

Carter, Hendee, 1833 - 268 σελίδες

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### Περιεχόμενα

 Compouna Addition 89 Coinpound multipuºion 97 tXompound Division 98 Fractions arise from Division 103 Ta multiply a Fraction by a Whole Numbor e 110 To reduce Fractions of Different Denominators to a Common Denominator 117 To divide one Fraction by another 124 DEc1 MAlsTheir Table of Notation e e e e 130
 Tho minº Interest and Time being given to find the Batº Iºrºnt 1 168 Rule of Three by Analysis 174 Application of Ratio by Rule 181 Compound or Double Rule of Three by Ratio and Analysis 190 To computo the Interest on Notes with Endorsementsthree Inodes 185 200 MonsurationSquare Measure 206 Duodecimals Multiplication of Duodecimals 21213 213 AligationAlligation Medial 231

### Δημοφιλή αποσπάσματα

Σελίδα 204 - A pile of wood 8 feet long, 4 feet wide, and 4 feet high, contains 1 cord; and a cord foot is 1 foot in length of such a pile.
Σελίδα 236 - Subtract the cube thus found from the said period, and to the remainder bring down the next period, and call this the dividend.
Σελίδα 191 - 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...
Σελίδα 223 - How many bricks, 8 inches long, 4 inches wide, and 2 inches thick, will it take to build a wall 40 feet long, 20 feet high, and 2 feet thick ? Ans.
Σελίδα 76 - Fourteen 14 Fifteen 15 Sixteen 16 Seventeen 17 Eighteen 18 Nineteen 19 Twenty 20...
Σελίδα 224 - The mean rate and the several prices being reduced to the same denomination, — connect with a continued line each price that is LESS than the mean rate with one or more that is GREATER, and each price GREATER than the mean rate with one or more that is LESS.
Σελίδα 175 - Multiply the second and third terms together, and divide their product by the first term , the quotient will be the answer...
Σελίδα 238 - ... 1. The first term; 2. The last term; 3. The number of terms; 4. The common difference; 5. The sum of all the terms. 8. The first term, the last term, and the number of terms, being given, to find the Common Difference;—'• 9.
Σελίδα 92 - One ten and nine units, or nineteen, 19 Two tens, or twenty, 20 Three tens, or thirty, 30 Four tens, or forty, 40 Five tens, or fifty...... 50 Six tens, or sixty, 60 Seven tens, or seventy, 70 Eight tens, or eighty, 80 Nine tens, ..or ninety, ..90 Ten tens, or
Σελίδα 180 - J the middle term. A. \$853^. 74. If 12 men do a piece of work in 12£ days, how many men will do the same in GJ days ? A.