CK-12
I'm here to help you with homework, test prep, and explanations. Upload a photo, draw an equation, or use the math keyboard for complex problems.
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Free, Freemium
Tool Information
Company
CK-12 Foundation
Founded
2007
Pricing
Free, Freemium
About CK-12
CK-12 is a free online learning platform with interactive lessons and practice for math and science. It is used by students and teachers for self-study.
✅ Pros
- ✔️ Free and accessible for everyone
- ✔️ Covers multiple subjects (Math, Science, etc.)
- ✔️ Interactive simulations and videos
- ✔️ Available as web and mobile app
- ✔️ Personalized learning paths
❌ Cons
- ✖️ Requires internet for most features
- ✖️ Limited advanced or specialized content
- ✖️ Interface can feel a bit basic
- ✖️ Not all resources have in-depth explanations
Key Features
▶
Ready-to-Use Prompts
Copy and customize these prompts for your specific needs
“Write a report comparing (developed and developing countries) based on (education, healthcare, and employment opportunities).
Explain (the major factors causing inequality) using (real-world examples and statistics).”
“Explain how (the government) helps in maintaining (law, order, and social welfare) in a country.
Add (examples from India or other nations) and discuss (the importance of public participation in governance).”
“Create a presentation or paragraph on (The Industrial Revolution and Its Social Impact) covering (economic changes, urbanization, and workers’ conditions).
Include (historical examples and modern parallels) for better understanding.”
Customer Reviews
Pricing Plans
Free Plan
AVAILBLE
Paid Plans
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Use Cases
Learn school subjects with simple explanations.
Practice math and science using interactive exercises.
Read short, easy-to-understand chapter notes.
Watch concept videos to understand topics faster.
Prepare for exams using quick revision materials.
[tool_use_cases
Teachers creating lesson plans and homework
Preparing for exams with practice tests
Learning math and science concepts interactively
Supplementing classroom education with digital tools
Homeschooling support for parents
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