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What Are Rational Numbers?

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Motivation

There are infinitely many numbers in the world!

Sources: Coins - francisLM/iStock/Thinkstock; Clock - olegganko/iStock/Thinkstock; Thermometer - Milena_Vuckovic/iStock/Thinkstock

 

Lesson Goals

  • Understand similarities and differences among numbers.
  • Perform comparisons and operations accurately.

Source: Gears - Hilch/iStock/Getty Images Plus

 

Try This!

Consider the following different groups of numbers:

Group 1


  • 1

    \(0\), \(1\), \(102\)
    \(2\) ,\(71\), \(89\)
    \(34\), \(58\)
    \(1008\)

Group 2


  • 2

    \(2\), \(-5\)
    \(-8\), \(23\)
    \(-6\), \(125\)
    \(-1586\)

Group 3


  • 3

    \(\frac{9}{1}\),\(-2\)
    \(6\), \(-4\), \(-\frac{1}{2}\)
    \(\frac{11}{3}\), \(\frac{5}{7}\)
    \(-100\)

Think about this problem, then move on to the next part of the lesson.

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