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Big Ideas Math Common Core 8th Grade: Online Textbook Help

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Updated February 24, 2026

Course Summary

This Big Ideas Math Common Core 8th Grade Textbook Companion Course uses simple and fun videos to help students learn math and earn a better grade. This textbook companion effectively teaches all the important math concepts. Each of the video lessons is about five minutes long and is sequenced to align with the chapters in the Big Ideas Math: A Common Core Curriculum textbook.

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Lesson Sample

Solving Linear Equations: Practice Problems

Big Ideas Math Common Core 8th Grade: Online Textbook Help 7.7K views 6 min

About this course:

6 hours of educational videos

63 self-paced lessons

11 practice tests

Expert Contributor: Jeff Calareso

Jeff teaches high school English, math and other subjects. He has a master's degree in writing and literature.

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Practice Tests in this course
Check your knowledge of this course with a 50-question practice test. Once you take the test, you will receive a detailed exam report complete with your personal statistics and even specific lessons to focus on! Take the practice test now
Your detailed study guide will include:
  • Answers and detailed explanations to each question
  • Video lessons to explain complicated concepts
Course Practice Test
More practice by chapter
Ch. 1
Big Ideas Math 8th Grade Chapter 1: Equations
Ch. 2
Big Ideas Math 8th Grade Chapter 2: Transformations
Ch. 3
Big Ideas Math 8th Grade Chapter 3: Angles & Triangles
Ch. 4
Big Ideas Math 8th Grade Chapter 4: Graphing & Writing Linear Equations
Ch. 5
Big Ideas Math 8th Grade Chapter 5: Systems of Linear Equations
Ch. 6
Big Ideas Math 8th Grade Chapter 6: Functions
Ch. 7
Big Ideas Math 8th Grade Chapter 7: Real Numbers & the Pythagorean Theorem
Ch. 8
Big Ideas Math 8th Grade Chapter 8: Volume & Similar Solids
Ch. 9
Big Ideas Math 8th Grade Chapter 9: Data Analysis & Displays
Ch. 10
Big Ideas Math 8th Grade Chapter 10: Exponents & Scientific Notation
Study.com was one of the best aids when I wanted to get my licensure and the ability to grow in another area. Study.com provided everything I needed and answered all my questions for continued education.
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2860 Reviews
Nixon Grant
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02/06/2024

Study.com was one of the best aids when I wanted to get my licensure and the ability to grow in another area. Study.com provided everything I needed and answered all my questions for continued education.

Kelly Phillips
trust pilot 5.0 stars
12/21/2023

Study.com helped me with two major tests. It was easy to use and it got me a social work license as well as my teaching certification. I am a huge advocate for the program. The pacing is great and the text and videos are helpful.

Stephanie Murray
trust pilot 5.0 stars
02/08/2023

I am in education, and needed to take an exam to add another credential to my certification. Study.com had the best study guide available for the money and it is broken up into easy to learn modules. This certification is a doozy and the bite sized lessons are not so overwhelming, easy to process and retain.

Ruthunder Miles
trust pilot 5.0 stars
08/30/2022

Study.com is awesome!! They simplified the math concepts for me and I passed it on my first attempt. The videos are precise and clear. You cannot go wrong with Study.com. I recommend it.

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