Sign-ups for basic math and introductory algebra and geometry classes are underway at Orange Coast College. Classes begin the week of June 21. Basic math classes are designed for third-graders and older. Algebra and geometry classes are for late elementary through intermediate school students. Classes meet for six weeks. Registration is $85 per session, including textbook and materials. Register at 2701 Fairview Road or call (888) 622-5376.