References
Liljedahl, P. (n.d.). Peter Liljedahl's Website. Retrieved from https://www.peterliljedahl.com/
Building Thinking Classrooms. (n.d.). Building Thinking Classrooms. Retrieved from https://www.buildingthinkingclassrooms.com/
Algebra I
Welcome letter
First Lesson
OpenUp +BTC:
Unit 1
Unit 5
Persian Expository article about BTC