Analyze, analysis, analytical? Some students may not know which word to choose in the sentence. Could it be as easy as knowing which suffix means what? Because students frequently have a poor grasp of suffixes, their grammar and sentence construction suffer. High 5 Achievers will end the confusion now with this Common Core State Standard lesson plan on suffixes. The lesson plan consists of a chart with a list of common suffixes, four exercises and an end of the lesson quiz with answer keys included.