Math-U-See SupportLive 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)
Email: sales@MathUSee.com
Math-U-See
PO Box 8888
Lancaster, PA 17604
Mastery Educational Services – Monday through Friday 8 am to 8 pm eastern
Phone: 800-454-6284 (MATH)
Email: intervention@MathUSee.com
Intervention and Special Education Departments should submit purchase orders to:
Fax: 815-331-5282
Email: intervention@MathUSee.com
or
P.O. Box 8888
Lancaster, PA 17604
Fax or email is preferred for purchase orders.
Phone: 800-383-9585
Email: schools@MathUSee.com
If you're contacting us from outside of the United States, please review our International Distributors to find the authorized distributor nearest you.
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