Many Colleges have programs or classes for non-math, or non-science majors to satisfy their quantitative reasoning GER requirements:
(1) Math Course Substitutions (2006) from the University of Mary Washington.
(2) Math Course Waivers Best Practices (2008) from the Association of Higher Education and Disability- Utah (Utah-AHEAD).
(3) Stanford University: Introduction to Mathematical Thinking [free MOOC] by Dr. Kevin Devlin (Devlin's page)
(4) Princeton University: Math 198, Useful Fictions: How and why mathematics is developed and then changes the world.
(5) University of California - Berkley. How to satisfy the Quantitative Reasoning Requirements.
(6) Yale University's list of courses (without prerequisites) that satisfy the QR requirements.