The document lists 10 activities that are effective for large ESL classes: 1) Sentence correctness activity, 2) Using videos, 3) Student presentations, 4) Concentration game, 5) Just a minute speaking game, 6) Reading activities, 7) Student surveys, 8) Board games, 9) Running dictation, and 10) Odd one out game. These activities engage students, cover different skills, and can be adapted for groups. Videos, presentations and games break up large classes while still providing interaction and language practice.