### тИ КщМЕ ОИ ВЯчСТЕР -сЩМТАНГ ЙЯИТИЙчР

дЕМ ЕМТОПъСАЛЕ ЙЯИТИЙщР СТИР СУМчХЕИР ТОПОХЕСъЕР.

### пЕЯИЕВЭЛЕМА

 Notation and Numeration 4 Addition 12 Surtraction 31 Multiplication 46 Division 59 Decimals 76 Multiples and Measures 98 Common Fractions 111
 Compound Quantities 155 Percentage 203 Interest and Discount 225 Proportion 254 Powers and Roots 266 Mensuration 278 Miscellaneous Prorlems 293 Metric System 319

### дГЛОЖИКч АПОСПэСЛАТА

сЕКъДА 182 - 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 112 - To reduce a mixed number to an improper fraction. Multiply the whole number by the denominator of the fraction, and to the product add the given numerator.
сЕКъДА 343 - Multiply the divisor, thus increased, by the last figure of the root; subtract the product from the dividend, and to the remainder bring down the next period for a new dividend. 5. Double the whole root already found for a new divisor, and continue the operation as before, until all the periods are brought down. NOTE.
сЕКъДА 97 - ... and so on until the quotient is itself a prime number. The several divisors and the last quotient are the prime factors.
сЕКъДА 47 - Sii times 1 is 1 1 are 2 1 are 3 1 are 4 1 are 5 1 are 6 2...
сЕКъДА 59 - The number to be divided is called the dividend. The number by which we divide is called the divisor.
сЕКъДА 336 - Multiplying or dividing both terms of a fraction by the same number does not alter the value of the fraction.
сЕКъДА 114 - If the numerator and denominator of a fraction be both multiplied or both divided by the same number, the value of the fraction is not altered.
сЕКъДА 342 - Treat this amount as a new principal, and find its amount- for the second period, and so on for the entire time. The last amount less the given principal will be the compound interest.
сЕКъДА 264 - The square root of a number is one of the two equal factors of the number.