This video will go over what happens in Lessons 4.19-4.26, what students will be doing, and how it connects to the unit challenge.

Chapters
0:00 Introduction
1:46 Lesson 4.19
2:19 Lesson 4.20
2:49 Lesson 4.21
3:20 Lesson 4.22
3:33 Lesson 4.23
3:49 Lesson 4.24
4:07 Lesson 4.25
4:34 Lesson 4.26
4:47 Next Unit