Summarize what has already. The suggested activities can be presented as a report of the group. A summary of knowledge to practice or play games to test what students already.
Summarize what has been learned Activities suggested it could be the presentation of the report. The exercises conclude Or play a game to test what they have learned already.
Summary of what you have learnt. Activities recommended it may be a presentation of the group. Do exercises to summarize. Or play the game to test what school already.