Math videos 8.1-8.4

Videos for math:

8.4 Part 1

https://youtu.be/gOBxtu0FGdk

8.4 Part 2

https://www.youtube.com/watch?v=-SKPosd6VE0&t=15s

8.3 Part 1

https://youtu.be/3V5ukyKfoJw

8.3 Part 2

https://youtu.be/rVTU51WDbgg

8.2 Part 1

https://youtu.be/NS7hyoxA1y0

8.2 Part 2

https://youtu.be/llbIDfdb1EA

Skills you need and 8.1

https://youtu.be/pCC63SgivUU

Optional Math homework 8.1 and 8.2

https://www.youtube.com/watch?v=Cmxy11zL-C4&feature=youtu.be