Many engineering, biotech, actuarial, and computer companies need employees with mathematical knowledge, and many more of the same want employees who know how to think and solve problems. Some math majors become very successful management consultants, doctors, and lawyers for this reason. Read more about careers in mathematics. You can teach mathematics at the secondary school level. At Pepperdine, we require prospective teachers to be mathematics majors because we feel it is the only way to ensure the continued high level of excellence of mathematics teachers graduating from Pepperdine.
Mathematics teachers are in very high demand around the world, but especially in California.
Many high school students graduate without basic mathematical skills, and without an appreciation for mathematics. A major reason for this is the lack of good math teachers. You can make a difference to many children and teens in a society that demands more and more mathematics of our students, while preparing them less and less. Read more about secondary school teacher education. Mathematics is also a good background for many other fields.