Wednesday:
Lesson 12 Sprint
Short review of missing numbers (ex. 2 + _ =7 ): counting on video
Thursday:
Lesson 12 Problem Set
https://www.youtube.com/watch?v=SZxXuuNwKG8#action=share
Friday:
Lesson 19
https://www.youtube.com/watch?v=NgyMLWXd8SE&feature=youtu.be