Find math lesson plans for all student-levels of high school at Bright Hub Education. The high school years of ninth through twelfth are typically diverse ones for teaching math concepts. Some students are prepping for college-level calculus and others are trying to pass required algebra examinations to fulfill their high school diploma. This makes for a wide range of math lessons that often overlap with faster-paced middle school students. Be sure to check out both this topic, as well as the middle school math topic, to ensure you find the plans and units you are searching for.