Sometimes kids need to work on their knowledge of spelling and grammar. Here are several presentations for kids to get some of the basics down. There are also some daily grammar practice pages I’ve used with 8th graders, and some spelling and grammar practice for 5th and 6th grade.
The 5th and 6th grade practice asks the kids to explain how to spell and/or use proper grammar to aliens. It really made my kids stop and think about how to explain the processes, which lead to them internalizing the knowledge.