What is Bar Notation in Math? - Definition & Examples


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What does this symbol mean?

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1. How would I write this number using bar notation? 5.2222222222222...

2. How would I write 0.35353535... using bar notation?

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About This Quiz & Worksheet

If you were to write the decimal form of 1/3, you would be writing forever, if not for bar notation. Use this assessment to test your understanding of bar notation and how to use it.

Quiz & Worksheet Goals

Take the assessment to test your understanding of:

  • Various mathematical symbols and what they represent
  • How to use bar notation to represent decimals with repeating digits
  • When you should use bar notation

Skills Practiced

The quiz will also test the following skills:

  • Making connections - use your understanding of the concept of infinity
  • Interpreting information - verify that you can read information regarding bar notation and interpret it correctly
  • Knowledge application - use your knowledge to write decimals with bar notation

Additional Learning

The lesson What is Bar Notation in Math? - Definition & Example will help you prepare for the assessment and study:

  • The concept of infinity
  • Repeating numbers in decimals
  • Why we use bar notation