Instructional Video
Khan Academy

Khan Academy: Hybrid Arm

9th - 10th
A video [4:57] explaining how hybrid adjustable-rate mortgages work and when they might be advantageous.
Instructional Video
Khan Academy

Khan Academy: Finite Geometric Series Word Problem: Mortgage

9th - 10th
Sal Khan shows you how to figure out the formula for fixed mortgage payments using the sum of a geometric series. [17:36]