First Lesson
https://share.nearpod.com/vsph/UCIfgVgrNu
Second Lesson
https://share.nearpod.com/vsph/QjqTNa40Lu
Third Lesson
https://share.nearpod.com/vsph/Bjqjpkr4Lu
Fourth Lesson
https://share.nearpod.com/vsph/C1olgouWLu