# A Treatise of Arithmetic: Designed for the Use of the Elementary Schools; Followed by the Principles for Measuring the Surface, and the Solidity of the Bodies

Lovell & Gibson, 1843 - 129 СЕКъДЕР

### тИ КщМЕ ОИ ВЯчСТЕР -сЩМТАНГ ЙЯИТИЙчР

дЕМ ЕМТОПъСАЛЕ ЙЯИТИЙщР СТИР СУМчХЕИР ТОПОХЕСъЕР.

### пЕЯИЕВЭЛЕМА

 Arithmetical Tables 6 Numeralion 12 Simple Addition 19 Simple Division 26 Compound Addition 37 Compound Division 44 Uses of Subtraction 53 Promiscuous Exercises 60
 Compound Proportion 72 Bills of Parcels 83 Interest 89 Addition 98 Multiplication 99 Subtraction 105 Involution 112 Definition of Superfices 119

### дГЛОЖИКч АПОСПэСЛАТА

сЕКъДА 10 - Thirty days hath September, April, June, and November ; All the rest have thirty-one, Except the second month alone, Which has but twenty-eight, in fine, Till leap year gives it twenty-nine.
сЕКъДА 5 - A COMMON MULTIPLE of two or more numbers is any number that contains each of them an exact number of times, and the least number that will do...
сЕКъДА 27 - To divide by 10, 100, 1000, &c. Cut off- as many figures from the right hand of the dividend as there are ciphers in the divisor.
сЕКъДА 94 - To reduce an improper fraction to a whole or mixed number, — RULE : Divide the numerator by the denominator ; the quotient will be the whole or mixed number.
сЕКъДА 27 - III. Multiply the divisor by this quotient figure, subtract the product from the partial dividend, and to the remainder annex the next figure of the dividend.
сЕКъДА 94 - To reduce a mixed number to an improper fraction, — RULE : Multiply the whole number by the denominator of the fraction, to the product add the numerator, and write the result over the denominator.
сЕКъДА 10 - THE CIRCLE. 60 Seconds = 1 Minute. 60 Minutes = 1 Degree. 30 Degrees = 1 Sign. 90 Degrees = 1 Quadrant. 360 Degrees, or 12 Signs = 1 Circumference. Formerly the subdivisions were carried on by sixties ; thus, the second was divided into 60 thirds, the third into 60 fourths, &c.
сЕКъДА 112 - Subtract the square of this figure from the left-hand period, and to the remainder annex the next period for a dividend.
сЕКъДА 101 - Wherefore, to reduce shillings, pence and farthings to the decimal...
сЕКъДА 94 - The greatest common divisor of two or more numbers is the greatest number that will divide each of them without a remainder. Thus 6 is the greatest common divisor of 12, 18, and 24.