Abbreviations for Common Errors At the start of each school year, reproduce and distribute this handout. It lists abbreviations the teacher can place in the margin of students’ essays. After essays are graded and returned, require each class to correct errors. Assuming essays were typed, students make corrections on their work using a brightly colored pen. The teacher can then efficiently check corrected work that is returned during class or the following day. Incentive: reduce grade for uncorrected essays……