Watch this video https://www.youtube.com/watch?v=C6hn3sA0ip0 and answer the 8 questions on the back of the worksheet.
To review the lesson today watch this video: https://www.youtube.com/watch?v=s9HPNwXd9fk&feature=youtu.be&t=8m45s
To review the lesson today watch this video: https://www.youtube.com/watch?v=s9HPNwXd9fk&feature=youtu.be&t=8m45s