Chapter 7 videos

Lesson 7.10a

https://www.educreations.com/lesson/view/third-lesson-7-10-a/41892579/?s=cc0GVg&ref=link

Lesson 7.10b

https://www.educreations.com/lesson/view/third-lesson-7-10-b/41893282/?s=5Z75aV&ref=link