Elizabeth “Betsy” Rocks has been a volunteer in the ELL department at Sehome and Bellingham High Schools in Bellingham, Washington, for more than 15 years. She started teaching English as a volunteer at her children’s high school after spending 14 years in South America. Realizing that foundational math was an excellent path to learning English, Betsy discovered a passion for teaching math. She tries to keep up with the professionals by following the youcubed group at Stanford and others. Reach Betsy at email@example.com.