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Rational and Irrational Numbers

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Curipod generated lesson: "Rational and Irrational Numbers". #8-10

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njones

Updated 5 months ago

1. Slide
60 seconds
Rational numbers are numbers that can be expressed as a fraction, such as 1/2, 3/4, or 5/6. Irrational numbers are numbers that cannot be expressed as a fraction, such as pi (3.14159...) or the square root of 2 (1.4142...). Rational numbers can be negative, positive, or zero. Irrational numbers can also be negative, positive, or zero.
Rational and Irrational Numbers
2. Open question
360 seconds
Work together in pairs: What is the difference between a rational and irrational number?
3. Poll
90 seconds
Which is an example of a Rational number?
  • 1/2
  • 3.14
  • π
  • √2
4. Poll
90 seconds
Which is an example of an Irrational number?
  • 5/7
  • 3.14
  • π
  • √16
5. Drawings
450 seconds
Brain break: Create a 3D sculpture made up of objects that represent a concept or idea of your choice. The sculpture must incorporate at least 5 different objects, and must stand on its own. You may use any materials you like, such as clay, wood, paper, cardboard, etc. Be creative and have fun!
6. Poll
90 seconds
Which is true about Rational numbers?
  • They can be written as fractions.
  • They cannot be expressed as decimals.
  • They are irrational.
  • They cannot be expressed as a ratio.
7. Poll
90 seconds
Which is true about Irrational numbers?
  • They cannot be written as fractions.
  • They cannot be expressed as decimals.
  • They are rational.
  • They cannot be expressed as a ratio.
8. Poll
90 seconds
What is the definition of a Rational number?
  • A number that can be expressed as a fraction.
  • A number that cannot be expressed as a fraction.
  • A number that can be expressed as a decimal.
  • A number that cannot be expressed as a decimal.
9. Word cloud
120 seconds
What is a rational number? **Submit up to 5 single words**

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