# Practical and Mental Arithmetic on a New Plan: In which Mental Arithmetic is Combined with the Use of the Slate ...

Roe Lockwood, 1831 - 268 σελίδες

### Τι λένε οι χρήστες -Σύνταξη κριτικής

Δεν εντοπίσαμε κριτικές στις συνήθεις τοποθεσίες.

### Περιεχόμενα

 To multiply by ś 5 c 63 Questions on the foregoingBills of goods old 93 º change an improper Fraction to a whole or Mixed Number 104 To multiply a Fraction by a Whole Number 108 To find the Least Common Multiple of two or more Numbers 114 Subtraction of Fractions 121 To reduce Fractions of a higher Denomination to lower 133 101 135 To change Vulgar or Common Fractions to Decimals 141 Questions on the foregoing 152
 Fellowshipby Analysisby Ratio 201 Solid or Cubic Measure 209 Questions on the foregoing 215 To calculate Difference in Time Tare and Trett ez 16 17 194 226 APPENDIX 228 Extraction of the Cube Rootits Application 239 Arithmetical Progression 245 Permutation 252 To find the Solid Contents of a Čylinder 258 CashBook 265

### Δημοφιλή αποσπάσματα

Σελίδα 21 - Decedents," and to repeal said original sections, -and to repeal sections one (1), two (2), three (3), four (4), five (5), six (6), seven...
Σελίδα 76 - In 3 ? In 4 ? In 5 ? In 6? In 7? In 8? In 9? In 20?
Σελίδα 113 - Multiply the numerators together for a new numerator, and the denominators together for a new denominator.
Σελίδα 245 - Hence, when the extremes and number of terms are given, to find the common difference, — Divide the difference of the extremes by the number of terms, less 1, and the quotient will be the common difference.
Σελίδα 237 - 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.
Σελίδα 76 - Measure. 3 barley corns (bc) make 1 inch, marked in. 12 inches, 1 foot, ft. 3 feet, 1 yard, yd. 5^ yards, 1 rod, pole, or perch.
Σελίδα 210 - How many solid feet in a pile of wood 8 feet long, 4 feet wide, and 4 feet high?
Σελίδα 71 - TABLE. 4 nails, (na.) or 9 inches, make 1 quarter, marked qr. 4 quarters, or 36 inches, - 1 yard, - - - - yd. 3 quarters, ------ 1 ell Flemish, - - E. Fl 5 quarters, ------ 1 ell English, - - EE 6 quarters, ------ 1 ell French, - - E. Fr 27.
Σελίδα 74 - TABLE. 16 Drams (dr.) make 1 Ounce, . . marked . . oz. 16 Ounces 1 Pound,* Ib. 28 Pounds 1 Quarter of a Hundred > Weight, \$ V. 4 Quarters 1 Hundred Weight, . . cwt 20 Hundred Weight . 1 Ton, T.