# Grammar-school arithmetic

D. C. Heath, 1898 - Arithmetic
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### Contents

 MIXED NUMBERS 201 NOTATION AND NUMERATION 210 FEDERAL MONEY 216 BILLS O 238 MEASUREMENTS 246 CHAPTER VI 249 SUBTRACTION OF FRACTIONS 250 MULTIPLICATION OF FRACTIONS 265
 MEASUREMENTS 433 PARTNERSHIP 439 COMPOUND INTEREST 445 Oral Exercises 449 LONGITUDE AND TIME 452 CHAPTER XIII 458 RATIO 466 PROPORTION 476

 MIXED NUMBERS 266 BILLS 274 DENOMINATE NUMBERS 284 DENOMINATE NUMBERS 285 CHAPTER VIII 291 CHAPTER IX 326 MEASUREMENTS 342 PERCENTAGE 349 SURFACES 353 ANGLES TRIANGLES QUADRILATERALS 365 CHAPTER XI 381 MEASUREMENTS 389 BANK DISCOUNT 402 COMMERCIAL DISCOUNT 410 SIMPLE INTEREST 415 COMMERCIAL DISCOUNT 421
 PARTIAL PAYMENTS MERCHANTS RULE 494 MENSURATION OF PLANE SURFACES 503 VOLUMES 513 CUBE Root 519 METRIC SYSTEM 525 SUBTRACTION OF ALGEBRAIC QUANTITIES 532 Two UNKNOWN QUANTITIES 538 THREE UNKNOWN QUANTITIES 544 MULTIPLICATION OF ALGEBRAIC QUANTITIES 547 CHAPTER XVI 557 CALCULATION OF HEIGHTS AND DISTANCES 587 VOLUMES 599 APPENDIX 607 RATES OF INTEREST 610 TAXES 617 Copyright

### Popular passages

Page 607 - Dry Measure 2 pints (pt.) =1 quart (qt.) 8 quarts = 1 peck (pk.) 4 pecks = 1 bushel (bu.) 2150.42 cu.
Page 602 - The mean proportional between two numbers is equal to the square root of their product.
Page 607 - TROY WEIGHT. 24 grains (gr.) 1 pennyweight (pwt.) 20 pennyweights, 1 ounce (oz.) 12 ounces ... 1 pound (Ib.) Troy weight is used in weighing gold, silver, precious stones, etc. APOTHECARIES
Page 526 - MEASURE. 10 millimeters (mm.) = 1 centimeter (cm.) 10 centimeters = 1 decimeter (dm.) 10 decimeters = 1 meter (m.) 10 meters = 1 dekameter (Dm.) 10 dekameters = 1 hektometer (Hm.) 10 Hektometers = 1 kilometer (Km.) 10 kilometers = 1 myriameter (Mm.) 1 meter = 39.37 inches.
Page 226 - TIME 60 seconds (sec.) = 1 minute (min.) 60 minutes = 1 hour (hr.) 24 hours = 1 day (da.) 7 days = 1 week (wk.) 365 days = 1 common year...
Page 455 - Sixty days after sight of this First of Exchange (Second unpaid), pay to the order of John W.
Page 607 - Linear Measure 12 inches (in.) = 1 foot (ft.) 3 feet = 1 yard (yd.) 5£ yards = 1 rod (rd.) 320 rods = 1 mile (mi.) Cubic Measure 1728 cubic inches (cu.
Page 361 - The following is the table: 24 grains (gr.) 1 pennyweight (dwt.) 20 pennyweights 1 ounce (oz.) 12 ounces 1 pound (Ib.) The abbreviation for pennyweight is also written pwt. 829. The pound apothecaries' weight — used in putting up prescriptions — contains the same number of grains (5,760) as the pound troy.
Page 551 - That is, the square of the sum of two quantities is equal to the square of the first, plus twice the product of the first by the second, plus the square of the second.