beginner

Pre-Algebra: Radicals and Integer Exponents

This path introduces the rules and properties of exponents and radicals, building number sense for very large and very small quantities. You'll work with integer exponents, explore square and cube roots, connect radicals to fractional exponents, and compute with scientific notation.

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Verified skills you'll gain

INTERMEDIATE

Computing with Numbers

DEVELOPING

Evaluating Expressions

INTERMEDIATE

Reading Mathematical Language

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Course 2

Rules of Integer Exponents

4 lessons

23 practices

You'll learn the core rules for simplifying expressions with exponents — product, quotient, and power of a power — by seeing why each shortcut works, then apply your skills fluently to powers of ten.

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Course 3

Understanding Roots and Radicals

4 lessons

21 practices

You'll build intuition for square roots and cube roots as the inverses of squaring and cubing, estimate roots of non-perfect values, and connect radical notation to fractional exponents.

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Course 4

Scientific Notation in Real Life

6 lessons

24 practices

You'll master scientific notation as a practical tool for reading, writing, comparing, and computing with very large and very small numbers, grounded in real-world quantities like populations and microscopic measurements.

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Senior Machine Learning Engineer

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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

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