Mastery of Repeating Decimals

General Skills

You will dive deep into the world of repeating decimals. You will learn to use professional notation to represent infinite loops, distinguish between pure and mixed repeating blocks, and use algebraic methods to convert these infinite strings back into exact rational fractions.

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4 lessons

17 practices

1 hour

Computing with Numbers

Course details

Reading Bar Notation

Preview

Match Bar Notation And Decimals

Read Digits From Bar Notation

Write Bar Notation From Decimals

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Next Course: The Real Number System and Irrationality

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From our community

Hear what our customers have to say about CodeSignal Learn

I'm impressed by the quality and can't stop recommending it. It's also a lot of fun!

Francisco Aguilar Meléndez

Data Scientist

+11

I love that it's personalized. When I'm stuck, I don't have to hope my Google searches come out successful. The AI mentor Cosmo knows exactly what I need.

Faith Yim

Software Engineer

+14

It's an amazing product and exceeded my expectations, helping me prepare for my job interviews. Hands-on learning requires you to actually know what you are doing.

Alex Bush

Full Stack Engineer

I'm really impressed by the AI tutor Cosmo's feedback about my code. It's honestly kind of insane to me that it's so targeted and specific.

Abbey Helterbran

Tech consultant

I tried Leetcode but it was too disorganized. CodeSignal covers all the topics I'm interested in and is way more structured.

Jonathan Miller

Senior Machine Learning Engineer

+12

I'm impressed by the quality and can't stop recommending it. It's also a lot of fun!

Francisco Aguilar Meléndez

Data Scientist

+11