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 |
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Σελίδα vi
... illustrated , previ- ously and subsequently to their insertion . 9. As this mode of teaching recognises no authority but that of reason , it was found necessary to illustrate the rule for the extraction of the cube root , by means of ...
... illustrated , previ- ously and subsequently to their insertion . 9. As this mode of teaching recognises no authority but that of reason , it was found necessary to illustrate the rule for the extraction of the cube root , by means of ...
Σελίδα 19
... illustration , and the tables , till their solutions be made perfectly familiar . IV . NUMERATION . Q. When I say to you , Give me that book , do I mean one book or more than one ? Q. When we speak of a single thing , then , what is it ...
... illustration , and the tables , till their solutions be made perfectly familiar . IV . NUMERATION . Q. When I say to you , Give me that book , do I mean one book or more than one ? Q. When we speak of a single thing , then , what is it ...
Σελίδα 23
... illustrations , how does it appear that you must begin to numerate ? A. Begin at the right hand . II . At which hand would you begin to read ? A. The left . III . What is the first figure at the right hand , or first place , called ...
... illustrations , how does it appear that you must begin to numerate ? A. Begin at the right hand . II . At which hand would you begin to read ? A. The left . III . What is the first figure at the right hand , or first place , called ...
Σελίδα 29
... illustrated . 2 1. A man bought a cart for 25 dollars , a yoke of oxen for 69 dollars , and a plough for 7 dollars . What did he give for the whole ? OPERATION . 25 ... illustrations we derive the following RULE . I. SIMPLE ADDITION 20.
... illustrated . 2 1. A man bought a cart for 25 dollars , a yoke of oxen for 69 dollars , and a plough for 7 dollars . What did he give for the whole ? OPERATION . 25 ... illustrations we derive the following RULE . I. SIMPLE ADDITION 20.
Σελίδα 30
... illustrations we derive the following RULE . I. How do you write the numbers down ? A. Units under units , tens under tens , & c . with a line underneath . II . At which hand do you begin to add ? A. The right . III If the amount of any ...
... illustrations we derive the following RULE . I. How do you write the numbers down ? A. Units under units , tens under tens , & c . with a line underneath . II . At which hand do you begin to add ? A. The right . III If the amount of any ...
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Συχνά εμφανιζόμενοι όροι και φράσεις
12 leaves 50 cents acres amount annexing apiece apples barrel bbls bushels of rye called ciphers cloth cost common divisor common fraction compound interest contained cord feet corn cube root currency decimal places Denom derive the following dimes divide dividend divisor and quotient dollars equal example Exercises farthings federal money feet long feet wide following RULE gain gallons gals gills give greatest common divisor hence hogshead hundred hundredths illustrations we derive improper fraction least common denominator least common multiple length lowest terms merator miles mills mixed number molasses months multiplicand multiply OPERATION oranges ounces payment pence pints pound present worth proceed proportion pupil pwts quantity quarts ratio Reduce remainder shillings Slate solid feet square feet square rods square root subtract units whole number write yards of cloth
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.