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Welcome to the homepage for Mr. Callahan's math classes. Here you will find basic contact information and links to course websites.

I currently use GOOGLE CLASSROOM. Email me if you would like to be linked to my Google Classroom!

Room #: H111

Email: dcallahan@sau16.org

Phone: (603)395-2541

Extra Help(subject to change):

Every Day

P1: Math Commons Area

P6: By Appointment


Monday, Wednesday, Thursday, Friday, and Tuesdays we don't have faculty/dept. meetings(check with me!)

After School-2:30-3:00(If you aren’t there by 2:35 I will assume you aren’t coming!)

Before School-By Appointment(I get to school very early most days)


PLEASE LET ME KNOW! We will figure out a way to get you extra help if you need it!


CP Alg 2 Schedule 2018/2019
Honors Algebra 2 Schedule 2018/2019