Last updated October 21, 2026
Terms and Conditions
By using OwlR's Math Trainer, you agree to these terms. If you do not agree, please do not use the site.
Educational use
The site provides free mental math practice and learning resources for general educational use. You may use it for personal learning and may share links to its pages. If you are under the age of majority where you live, please use the site with the guidance of a parent or guardian.
Use the site responsibly
Please do not misuse the site, interfere with its operation, attempt to gain unauthorized access to its systems, or use it in a way that violates applicable law. We may make changes to, suspend, or remove features when needed to maintain or improve the site.
Accuracy and availability
The materials are offered as practice aids and are provided “as is” and “as available.” We work to make the content useful, but do not guarantee that every item will be error-free, suitable for every learning need, or continuously available. Use these resources alongside your own judgment and, where appropriate, formal instruction.
Content and ownership
The site's name, design, and original materials belong to their respective owners. You may use the site as intended for personal learning, but may not copy or redistribute substantial portions of its original content or branding without permission, except where applicable law allows.
Updates and contact
These terms may be updated as the site develops. Continued use after a revised version is posted means you accept the updated terms. Questions can be sent tohello@mentalmathpractice.com.