Here are some instructional videos used in 8th grade math.
Mrs. Molina’s Volume Frame Video
Volume of a Shapes with the base of a circle video: Cones, Cylinders, and Spheres
Scale Factor, Dilations, and Dimensional Change
Funny Dilation video (you can play this if time allows):
Unit 6 Unit Organizer: Bivariate Data
Clarifying Table: Simplifying Expressions
Independent vs Dependent Video
Coordinate Grid Frame
Click here to see how slope is a rate of change.