Sheila Massingale, @sheila-massingale 0 Friends WallProfileFriends 0Groups 9ForumsPhotos 0Courses View Base Name Sheila Massingale Gender Female Bio 2021-2 will be my 4th year teaching; all 4 years have been in Washington state. My assignment has been different each year. Next year, I'll teach 7th grade, Geometry, and a Math Modeling class. My school operates uses trimesters rather than quarters and semesters. We get 70 minutes for each class 4 days per week!