Interest, Savings, and Borrowing

General Skills

You will use percentages to make sense of savings, loans, and credit. You will calculate simple and compound interest on realistic amounts, interpret common rate statements, and see clearly why compounding behaves differently from simple interest over time.

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5 lessons

19 practices

1 hour

Modeling with Exponentials and Sequences

Course details

Reading Interest Rates

Preview

Identify Principal Rate and Time

Match Interest Terms And Meanings

Explain The Loan Disclosure

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Next Course: Percentages in News and Statistics

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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