Free Learning Resources for

9th Grade


Ninth graders will focus on grammar, vocabulary, analysis, writing reports and public speaking. They’ll usually start pre-algebra, Algebra I, or geometry, and will be introduced to more complex science classes including biology or chemistry. Their classes will be rounded out with social studies classes such as geography, ancient or modern history. Find resources here to learn any of these topics in a format that works for you - online classes, books, apps, and much more.

Conic Sections

Conic Sections   8th - High School | Online video/YouTube

Parabolas, hyperbolas, ellipses and circles, plus how to identify a conic by completing the square

Free

Conic sections

Conic Sections   8th - High School | Online class

Sal introduces the four conic sections and shows how they are derived by intersecting planes with cones in certain ways.

Free

Cooking

Cooking   6th - College | Website

Cooking isn't just an art.Explore topics ranging from heat and photosynthesis to bacteria, as you learn some secrets behind favorite foods and recipes.All learners can discover the fun of cooking...

Free

Cosmology and astronomy

Astronomy   7th - College | Online class

The Earth is huge, but it is tiny compared to the Sun (which is super huge). But the Sun is tiny compared to the solar system which is tiny compared to the distance to the next star. Oh, did we...

Free

Crash Course: Biology and Ecology

Biology   9th - College | Online class

Hank Green teaches you biology! Learn, study and understand the science of life. Topics covered range from: taxonomy, systems, biological molecules, photosynthesis, evolution, animals, plants,...

Free

Crash Course: World History

World History   7th - College | Online class, Online video/YouTube

John Green teaches you the history of the world in 42 episodes of Crash Course. Learn, study and understand all the important civilizations, empires, wars, and revolutions the world has seen so far.

Free

Curriki Algebra 1

Algebra   6th - High School | Online class

This OER Algebra course was sponsored by AT&T and developed by Curriki. This course consists of five units aligned to the Common Core. Each unit culminates in a project that utilizes mastery of...

Free

Curriki American History Units

US History   9th - High School | Online resource

This collection of Open Educational Resources (OERs) has been curated by Curriki for all educators, parents, and students of history. It includes resources that span the scope and sequence of an...

Free

Curriki Geometry

Geometry   9th - High School | Online resource

This collection includes resources that are used throughout the six projects of Curriki Geometry. Curriki is grateful for the tremendous support of our sponsor, AT&T Foundation. Our TeamCurriki...

Free

Curriki High School Physics Collection

Physics   9th - High School | Online resource

Collection of high school Physics resources aligned with the  Next Generation Science Standards.

Free

Daily Grammar

Grammar   1st - High School | ebook/Kindle, Online resource, Printable

This archive contains links to all of our free grammar lessons and quizzes.  Daily Grammar consists of 440 lessons and 88 quizzes.  Lessons 1-90 cover the eight parts of speech, which are verbs,...

1
Free
Offers paid add-ons
Free

Dave Conservatoire

Music Theory   6th - College | Online resource

Welcome to Dave Conservatoire - a free online music school, aiming to provide a world-class music education for everyone. Join Dave, your friendly guide, in over 100 video music lessons,...

Free

Desmos

Math   4th - College | Android, iPhone/iPad, Online resource

Graph functions, plot tables of data, evaluate equations, explore transformations, and more.

Free

Developing An Entrepreneurial Mindset: First Step Towards Success

Entrepreneurship & Small Business   7th - College | Online class

This course is the first in a series on starting a business. Though new venture creation is the focus of the specialization, this course is important for everyone. It provides learners with...

Free
Offers paid add-ons

Developing iOS 10 Apps with Swift

iOS Programming   7th - College | iPhone/iPad, Mac OS, Windows

Updated for iOS 10 and Swift. Tools and APIs required to build applications for the iPhone and iPad platforms using the iOS SDK. User interface design for mobile devices and unique user...

Free

Develop Powerful Interactive Software

Computer Programming   7th - College | Online class

This Specialization covers intermediate topics in software development. You’ll learn object-oriented programming principles that will allow you to use Java to its full potential, and you’ll...

Free
Offers paid add-ons

DGMD E-10: Exposing Digital Photography

Digital Photography   9th - College | Online class

This course explores the artistic aspects, scientific foundations, and techniques of digital photography with the goals of enabling students to expand their knowledge of photography as an art form,...

Free

Differential calculus

Differential Equations   9th - College | Online class

Missions recommend what to learn next, help you remember what you’ve learned by mixing skills, and save your progress.

Free

Digital Literacy Library

News & Media   5th - College | Website

Find lessons designed by experts to help young people develop the skills to navigate the digital world, consume information, and responsibly produce and share content.

Free

Digital Photography Tutorials

Digital Photography   4th - College | Online resource

Learn how to take and edit digital photographs using visual tutorials that emphasize concept over procedure, independent of specific digital camera or lens. Tutorials cover the basic workings of...

Free

Discovering Science Program

Science   9th - College | Online class

Learn about the extraordinary world of everyday chemistry, and earn 10 credits from the University of Leeds The Discovering Science program consists of five short online courses. Each course looks...

Free
Offers paid add-ons

Document Analysis Series: Civics & Economics

Text Analysis   6th - High School | Online resource

This series focuses on case-study questions investigating controversial topics in Civics and Economics. Students explore background movies and analyze primary-source documents from varying points...

Free

Document Analysis Series: U.S. History

Text Analysis   6th - High School | Online resource

This series focuses on case-study questions investigating controversial topics in U.S. History. Students explore background movies and analyze primary-source documents from varying points of view...

Free

Document Analysis Series: World History

Text Analysis   Kindergarten - High School | Online resource

This series focuses on case-study questions investigating controversial topics in World History. Students explore background movies and analyze primary-source documents from varying points of view...

Free

Drive Right

Health   6th - High School | Online resource

In this course, students will be empowered to help reverse unsafe teen driving trends by exploring the major causes of teen crashes: speeding, the influence of passengers, and distractions....

Free

Duolingo

Languages   7th - College | Android, iPhone/iPad, Online resource, Windows

Personalized education.Everyone learns in different ways. For the first time in history, we can analyze how millions of people learn at once to create the most effective educational system possible...

Free

Early Christian

9th - College | Online class

Persecutions of Christians ended in Rome with Emperor Constantine. 4th century churches, tombs and catacombs decorated with Christian imagery can still be visited.

Free

Earth geological and climatic history

History of Earth   8th - College | Online class

Is it a coincidence that Africa and South America could fit like puzzle pieces? Why do earthquakes happen where they do? What about volcanoes and mountains? Are all of these ideas linked? Yes, they...

Free

Easy Trig Identities With Euler’s Formula

Trigonometry Identities   9th - College | Online resource

Trig identities are notoriously difficult to memorize: here’s how to learn them without losing your mind. Starting from the Pythagorean Theorem and similar triangles, we can find connections...

Free

Did we miss something?

Add your favorite resources to our directory for free!
Add Resource

See all resources for 9th Grade