Live Chat Support is available for homeschool customers only from 8:30 am – 6 pm EST.
Use our contact form to contact us.
Sales Team – Monday through Friday 8:30 am to 6:00 pm eastern
Phone: 888-854-6284 (MATH)
PO Box 8888
Lancaster, PA 17604
Mastery Educational Services – Monday through Friday 8 am to 8 pm eastern
Phone: 800-454-6284 (MATH)
Intervention and Special Education Departments should submit purchase orders to:
P.O. Box 8888
Lancaster, PA 17604
Fax or email is preferred for purchase orders.
If you're contacting us from outside of the United States, please review our International Distributors to find the authorized distributor nearest you.
If you'd like to learn more about Math-U-See, if you have a question or comment on our products or website, or if you'd like someone to contact you, please complete the following information so we can put you in touch with the right person. We value feedback from our users — we're happy to listen and respond as soon as possible.
Our unique approach to math education means that you might have some questions about exactly where and how to begin with Math-U-See. Because we are mastery-based and student-paced, our levels don’t correspond to traditional grade levels. Find all the information you need to ensure that your student is starting with the correct course.Getting Started
For more than 20 years, we’ve been using our distinguishing elements to help students learn math concepts and succeed at their own pace.Learn More
Learn more about Math-U-See’s unique approach with a video from our founder: homeschool dad and lifelong learner Steve Demme.Watch Now
Check out the free resources we provide to help you and your student succeed with Math-U-See — drills, workshets, downloads and more.Find Tools
If you have a more independent secondary student who is approaching the limit of your math comfort level, you might like our Online Co-op classes.Now Registering
Learn more about our early mathematics levels Primer, Alpha, and Beta – a better introduction to math, addition and subtraction.Learn More
Gamma and Delta provide robust multiplication/division instruction for concept mastery, with Application & Enrichment pages and more.See Details
Focus on applying the mastery of operations (addition, subtraction, multiplication and division) to fractions, decimals, and percents.Find Specifics
Learn more about our Pre-Algebra through Calculus courses, all presented in a manner that’s true to the unique Math-U-See philosophy of education.Learn More