Effective teachers understand different theories of education, are knowledgeable about childhood development, and are fluent in various teaching methods. Cheap online bachelors degrees in education can provide students with these essential skills, and more. Over the course of about four years, or longer if attending part time, students can expect to take courses like educational psychology, math methods, and early literacy that prepare them for general education. Other bachelor's degree programs may be geared toward a specific subject or area, such as history or science, English as a Second Language, or special education. During their degree, students also often are required to complete student teaching hours. Upon graduation, they are eligible to earn necessary certification required to teach.