## Robinson's Progressive Practical Arithmetic: Containing the Theory of Numbers, in Connection with Concise Analytic and Synthetic Methods of Solution, and Designed as a Complete Text-book on this Science, for Common Schools and Academies |

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### Common terms and phrases

acres amount annex barrels of flour bought bushels bushels of corn bushels of wheat cents a pound ciphers common fraction contained cords of wood cost cube cubic currency decimal currency decimal places decimal point discount Divide dividend division dollars dry measure equal exact divisor EXAMPLES FOR PRACTICE feet figure gain gallons Give analysis Give explanation given number gold greatest common divisor Hence hundred hundredths improper fraction inches integers interest invested least common denominator least common multiple lowest terms merchant meters miles mills minuend mixed number months multiplicand Multiply OPERATION paid payment purchase quotient rate per cent ratio receive Reduce remainder rods RULE sell sold subtract subtrahend sugar tens tenths third thousand thousandths trial divisor Troy weight units weight whole number worth Write yards of cloth

### Popular passages

Page 48 - Division is the process of finding how many times one number is contained in another.

Page 161 - SQUARE MEASURE 144 square inches (sq. in.) = 1 square foot (sq. ft.) 9 square feet = 1 square yard (sq. yd.) 30| square yards = 1 square rod (sq. rd.) 160 square rods = 1 acre (A.) 640 acres = 1 square mile (sq.

Page 73 - The Greatest Common Divisor of two or more numbers is the greatest number that will exactly divide each of them.

Page 89 - To reduce fractions to their lowest terms. A fraction is in its lowest terms when its numerator and denominator are prime to each other ; that is, when both terms have no common divisor. 1. Reduce the fraction -f§ to its lowest terms.

Page 326 - 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.

Page 52 - If any partial dividend will not contain the divisor, place a cipher in the quotient, and bring down the next figure of the dividend, and divide as before.

Page 173 - Ans. 6° 37'. 208. IN COUNTING. 12 Units or Things make 1 Dozen. 12 Dozen " 1 Gross. 12 Gross " 1 Great Gross. 20 Units " 1 Score. 209. PAPEE. 24 Sheets. '. make 1 Quire. 20 Quires " 1 Ream. 2 Reams " 1 Bundle. 5 Bundles

Page 282 - Three numbers may be in proportion when the first is to the second as the second is to the third.

Page 49 - Rule. — I. Write the divisor at the left of the dividend, with a line between them.

Page 153 - TROY WEIGHT. 24 grains (gr.) = 1 pennyweight (pwt.). 20 pennyweights = 1 ounce (oz.). 12 ounces = 1 pound (lb.). 351. Apothecaries' weight is used in mixing medicines and in selling them at retail. APOTHECARIES