Contact Us

The easiest way to contact us is to send a note to

If you have questions about curriculum or implementation of our programs, email

If you are with a school, check out our Schools page or email us at
You can also reach us at 503-557-8100, Monday through Friday, from 7:30AM to 4PM PST.

If you are with a college bookstore, click here.

If you are a distributor, click here.

Mailing address:
Singapore Math Inc.
19535 SW 129th Avenue
Tualatin, OR 97062
Fax: 503-557-8103