Free
CK-12
CK-12 helps students in K-12 practice and learn 5000+ Math and Science concepts in a fun and intuitive way
Last 10 Comments
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This helps so much with homeschooling my step-daughter. 9 years ago
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I love this app, but I wish that the CK-12 app was available for mobile as well as PC. 10 years ago
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Good app for students and teachers. 10 years ago
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the concepts are illustrated in an interesting way. 10 years ago
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This app is the most educational app I ever seen. 10 years ago
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I like how we are able to search and practice concepts but what I don't like is the font size. 10 years ago
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My son had a "D" in pre algebra and was completely lost in class. 12 years ago
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Where was this when I was a kid? Beats Math Blaster, I can tell you that much. 12 years ago
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Common core based learning tool for kids. 12 years ago
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This app is helping me with day-to-day homework activities for me and my kids. 12 years ago