Do you teach using Khan Academy? Included are PDF lesson plan files of that complement the Vectors and Matrices unit of the Get Ready for Precalculus series on Khan Academy. These plans complement the video series in the sequence they are currently offered. These are perfect for substitute teachers or teachers who do not have time to create math lesson plans for Khan Academy. Unit 5 of Get Ready for Precalculus focuses on Vectors and Matrices with the following 5 lessons:Equivalent Systems of Eq