Use the links below for review/practice:
https://www.youtube.com/watch?v=hvkhBd5UTmI
https://www.youtube.com/watch?v=W7c9B_OMXF4 (verify the product of the diagonals are equal)
https://www.youtube.com/watch?v=YaCpeoxGa4E
https://www.youtube.com/watch?v=2tkLiRISuVs
HW: Complete WS 4.4 Enrichment through #7 and WS Circuit Training - grouping method (5th hour this is due at the end of class on 9/18).