Thinking Mathematics

This course will reopen in 2026. AFT members who are interested in taking this course can request access now. Once new session dates are confirmed, we will email you with enrollment details.

Not an AFT member? Join today to access this course and a full library of AFT professional learning and member benefits.

Thinking Mathematics is an approach to teaching math, applicable at all levels, that helps students achieve the goals expected of secondary students in college- and career-ready standards. AFT teachers developed it in collaboration with researchers at the University of Pittsburgh's Learning Research and Development Center.

• Only use a desktop or laptop - Please only use a desktop or laptop computer to complete this course. You will not get full credit if you use a tablet or a mobile device.
• Please use Google Chrome and not Internet Explorer or Microsoft Edge - currently this site does not support Internet Explorer and is most compatible with Google Chrome.  

Expectations will be shared during the first kick-off meeting.

Free for AFT Members

Share My Lesson courses are available for PD credit. A certificate of completion will be available for download at the end of your session that you can submit for your school's or district's approval.

In addition, Share My Lesson has arrangements in place as follows:

• New York State Education Department-approved provider for Continuing Teacher and Leader Education (CTLE) requirements
• Illinois State Board of Education (ISBE) approved professional development provider for Illinois Federation of Teachers members
• Texas Education Agency (TEA) approved professional development provider for Texas AFT members
• AFT Pennsylvania members can submit their PD certificate to Philadelphia’s Health & Welfare Department for Act48 credit approval
• Indiana educators can receive PD credit by submitting webinar details to their principal for approval and uploading their certificate to the LVIS system