ClassNinjas: Mathe lernen

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About this app

Learning math is fun, I promise! The math app ClassNinjas accompanies you free of charge in school with videos, exercises and exams. Solving math problems on a new level!

Calculating made easy

Solving math problems has never been easier and has rarely been so much fun.

There is a test at the end of each chapter so that you can check what you have learned in mathematics. So you always know whether you are ready for the exam in school. This way you have better grades in math and you have fun solving math problems.

Why learn math with ClassNinjas?

We know that there are already many apps and videos for learning math and solving math problems. We want you not only to have fun learning, but also to keep what you have learned in your head for as long as possible.

Math will also be with you outside of school, whether you're working out the discount for the next game console or negotiating a raise in your job. Here are a few arguments why you should choose ClassNinjas for math & flash arithmetic is no longer a problem in school:
• With ClassNinjas you learn in Austria from the NMS / lower level to the Matura and in Germany from the secondary level 1 to the Abitur
• Challenge others and win all duels in the math quiz
• Our math content is based on the curriculum in schools (Austria / Germany)
• Our videos, exercises and exams are free and explain math quickly and easily
• The more you practice, the more badges you will unlock
• Solving math problems has never been easier: Most topics have an entertaining and short video that explains the most important content. And so that you can be on the safe side, you will find a hint for every quiz that will help you if you get stuck.
• Mathematics also has a lot to do with quick math at school: With our tips & tricks on Instagram and TikTok you can improve your quick math every day. Or you can play our math quiz directly in the app and challenge your friends!
• Calculating made easy and understandable: At school you often have to deal with boring tasks. We're trying to change that: Most exercises always have something to do with your living environment, be it calculating tickets for the next soccer World Cup, the probability of how many in your class are on which social media channels or why environmental protection is so important . So a lot of what happens outside of school. Boredom never arises. Promised.

School and ClassNinjas? Unconvinced? All math exercises and videos are free and can be accessed as often as you like. Whether lightning calculations, geometry or statistics: ClassNinjas won't let you down.

School can be boring, like our math app, but ...

School is not perfect, neither are we. We want math to be understandable for everyone, so we need your feedback. Let us know how we can improve our math app. Write us an email at or even faster with a DM on Instagram or TikTok.

We answer all inquiries and that as quickly as possible. Because in the end you have to be happy, only then can we celebrate success.

If you are looking for more information about ClassNinjas and our math app, visit us at and follow TikTok, YouTube and Instagram. We look forward to you!
Updated on
May 11, 2022

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
This app may share these data types with third parties
App activity and App info and performance
This app may collect these data types
Personal info
Data is encrypted in transit
You can request that data be deleted
Committed to follow the Play Families Policy

What's new

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