• Announcements: Please remember that the mock homework (HW0) is due via Blackboard by the end of today. The first actual homework assignment (HW1) will be posted shortly.

• Video 1: Rational Numbers. Download file or watch below

• Video 2: Are all numbers in between two rational numbers also rational? Download file or watch below

• Video 3: The Rational Zeros Theorem. Download file or watch below

• Video 4: Proving that certain numbers are irrational. Download file or watch below