## Robinson's New Practical Arithmetic for Common Schools and Academies |

### From inside the book

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**called**the Indian Notation . THE ROMAN NOTATION . 14. The Roman Notation employs seven capital letters to express numbers . Thus , LETTERS . I V X L C D M VALUES . One . Five . Ten . Fifty . One Five One hundred . hundred . thousand ... Page 11

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**called**nothing and zero . 19. The other nine characters are**called**significant figures , because each has a value of its own . The sig- nificant figures are also**called**digits , a word derived from the Latin term digitus , which ... Page 12

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**called**the order of hundreds . One hundred is expressed by writing the unit 1 with two ciphers at its right . Thus , 100 . In the same manner we represent One Two Three Four Five Six Seven Eight Nine hundred . hundred . hundred ... Page 13

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**called**the order of thousands . One thou- sand is expressed by writing the unit 1 with three ciphers at its right . Thus , 1000 . In the same manner we represent Three thousand . Four thousand . One thousand . Two thousand . Five ... Page 16

... , 36 million , 408 thousand 60 . This is

... , 36 million , 408 thousand 60 . This is

**called**the French method of pointing off the periods , and is the one in general use in this country . EXAMPLES . Write in figures , and read the following 16 NOTATION AND NUMERATION .### Other editions - View all

Robinson's New Practical Arithmetic for Common Schools and Academies Horatio Nelson Robinson No preview available - 2009 |

Robinson's New Practical Arithmetic for Common Schools and Academies Horatio Nelson Robinson No preview available - 2016 |

### Common terms and phrases

acres altitude annex annuity barrels of flour base bought bushels ciphers circumference common denominator common difference common fraction compound interest contained cords cube root cubic decimal point diameter discount dividend division dollars dry measure equal exact divisor EXAMPLES expressed feet figure Find the cost gain gallons geometrical progression given number greatest common divisor Hence hogshead hundred improper fraction inches integers invested last term least common multiple longitude lower denominations measure merchant miles minuend mixed number months multiplicand Multiply number of terms obtain OPERATION paid payment pounds premium prime factors principal proper fraction quotient rate per cent ratio Reduce remainder result rods RULE RULE.-I sells side sold SOLUTION square root subtract subtrahend tens third thousand thousandths trial divisor triangle units wheat whole number wide worth write

### Popular passages

Page 178 - LIQUID MEASURE 4 gills (gi.) = 1 pint (pt.) 2 pints = 1 quart (qt...

Page 171 - Square Measure 144 square inches (sq. in.) = 1 square foot (sq. ft.) 9 square feet = 1 square yard (sq. yd.) 30j square yards = 1 square rod (sq. rd.) 160 square rods = 1 acre (A.) 640 acres = 1 square mile (sq.

Page 184 - A circle is a plane figure bounded by a curved line, called the circumference, every point of which is equally distant from a point within called the center.

Page 306 - Multiply each payment by its term of credit, and divide the sum of the products by the sum of the payments ; the quotient will be the average term of credit.

Page 178 - DRY MEASURE 2 pints (pt.) = 1 quart (qt.) 8 quarts =1 peck (pk.) 4 pecks = 1 bushel (bu...

Page 183 - 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.

Page 396 - A Cylinder is a body bounded by a uniformly curved surface, its ends being equal and parallel circles.

Page 298 - Thirty days after sight of this first of exchange (second and third of the same tenor and date unpaid...

Page 134 - RULE. Divide as in whole numbers, and from the right hand of the quotient point off as many places for decimals as the decimal places in the dividend exceed those in the divisor.

Page 75 - Divide the product of the remaining factors of the dividend by the product of the remaining factors of the divisor, and the result will be the quotient.