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Basic Math and Pre-Algebra For Dummies, 2nd Edition by Mark Zegarelli

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Part I

Getting Started with Basic Math and Pre-Algebra

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In this part…

  • See how the number system was invented and how it works
  • Identify four important sets of numbers: counting numbers, integers, rational numbers, and real numbers
  • Use place value to write numbers of any size
  • Round numbers to make calculating quicker
  • Work with the Big Four operations: adding, subtracting, multiplying, and dividing

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