MathOtter

About MathOtter™

MathOtter is a free tool to help adult GED students improve their math and algebra skills through practice.

Students can work at their own pace on unlimited free practice problems (with answers), covering more than 80 topics.

Stuck on a problem? MathOtter includes advice on every topic. Want more help? Create an account and try out 10 free AI-generated step-by-step explanations of how to solve the problem ("Show Me How").

NOTE: After account creation, you can purchase more "Show Me How" AI assistance requests by visiting the profile page.

Current pricing is $2.99 for 100 "Show Me How" requests or $3.99 for 200.

About Us

The MathOtter team is dedicated to providing free tools to help GED students struggling with math and basic algebra. In our experience, many students need more practice in fundamental math skills to be able to improve their chances of passing the math test.

Privacy

We respect your privacy, so there's no performance tracking going on in the app and no data is provided to anyone regarding an individual's use of the app.

Updates

We're constantly making improvements to this web app. Just refresh your browser and you'll be working with the latest version.

NOTE: If you've saved MathOtter to your Home screen on your phone, just close and relaunch the app to get the latest version.

App Information:

Version: 2.40 02/26/26

AI advice source: gpt-4o

Open Source Acknowledgments

This app uses open-source software packages, including:

React – MIT License
Next.js – MIT License
AWS Amplify – Apache 2.0
Axios – MIT License
Bootstrap Icons (via react-icons) – MIT License
dotenv – BSD-3-Clause
KaTeX – MIT License
OpenAI SDK – Apache 2.0
fraction.js – MIT License
react-toastify, react-modal, and other UI libraries – MIT License

These libraries are used under their respective licenses. A big "Thanks!" from the MathOtter team to the creators and maintainers of these resources.