# 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

 SIMPLE NUMBERs 5 Multiplication 13 Mental Exercises combined with Exercises for the Slate 19 simple Addition 26 Simple Subtraction 33 Simple Division 43 Questions on the foregoing 51 Reduétion of Money ºf 57
 Cornpound Multiplication 97 Frnctions arise from Division 103 To multiply a Fraction by a Whole Nutmber ling 110 Circulating Decimals reference 141 Page 228 Extraction of the Cube Rootits Application 239 Geometrical Progression 246 Permutation 252

 Practice fº oney 66 Compound Addition 90
 To find the Solid Contents of a Čylinder 28 258 Form of a Cash k 266

### 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 242 - 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 246 - Divide the difference of the extremes by the common difference, and the quotient, increased by 1 , will be the answer.
Σελίδα 53 - TABLE. 10 Mills (m.) = 1 Cent . . ct. 10 Cents = 1 Dime . . d. 10 Dimes = 1 Dollar . \$. 10 Dollars = 1 Eagle . E.
Σελίδα 79 - In 3 ? In 4 ? In 5 ? In 6? In 7? In 8? In 9? In 10? In 20?
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 197 - 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 245 - Hence, when the common difference, the first term, and tb^ number of terms, are given, to find the last term. — Multiply the common difference by the number of terms, less 1, and add the first term to the product.
Σελίδα 256 - When the hypotheouse and one leg are given, to find the other leg ; — From the square of the hypothenuse subtract the square of the given leg, and the square root of the remainder will be the other.
Σελίδα 83 - TABLE. . •„,..., 4 farthings (qrs.) make 1 penny, marked d. 12 pence - - - - 1 shilling, - - s. 20 shillings - - - - 1 pound, - - £. Note.