What's a Rational Number?

What's a Rational Number?

Note:

There are lots of different kind of numbers that you should know about, and that includes rational numbers. Check out the tutorial!

Keywords:

  • definition
  • rational
  • rational number
  • fraction
  • integer

Further Exploration

  • use a problem-solving model that incorporates analyzing given information, formulating a plan or strategy, determining a solution, justifying the solution, and evaluating the problem-solving process and the reasonableness of the solution

      • What's an Irrational Number?What's an Irrational Number?

      What's an Irrational Number?

      Is an irrational number just a way to describe a number that's lost its mind? Not really. :) An irrational number is simply a number that cannot be written as a fraction. Check out the definition, learn an important property of these special numbers, and take a look at some examples of irrational numbers.

  • select tools, including real objects, manipulatives, paper and pencil, and technology as appropriate, and techniques, including mental math, estimation, and number sense as appropriate, to solve problems

      • How Do You Estimate the Square Root of a Non-Perfect Square?How Do You Estimate the Square Root of a Non-Perfect Square?

      How Do You Estimate the Square Root of a Non-Perfect Square?

      Trying to take the square root of a number that is not a perfect square? Think you need a calculator? Think again! This tutorial will show you how to estimate the square root of a number that is not a perfect square without the use of a calculator!