Welcome to the Signing Math Dictionary (SMD)!

This illustrated interactive 3D sign language dictionary is designed for students in grades K-8 who are deaf or hard of hearing and use American Sign Language (ASL) in the classroom. It is also intended to serve as a resource for teachers and parents.

Click PDF for a list of all the terms in the SMD.

Introductory Movie ( movie with speech , movie with NO speech )

TERC Text, pictures, and interface design © TERC, Inc. All rights reserved.
VCom3D SigningAvatar® animation technology © Vcom3D.
All rights reserved.
National Science Foundation The SMD was developed by TERC and Vcom3D and funded in part by the National Science Foundation, Grant # HRD-0833969. All opinions, findings, conclusions, and recommendations expressed herein are those of the authors and do not necessarily reflect the views of the funders.