For a curious fourth grader, what could be more fun than secret codes, especially if they're connected to a tree fort, a secret rendezvous spot, or a special friendship? Turns out that secret code activities also represent great practice in language and reasoning for kids of all ages. Any working code must rest on a pattern system which can be logically decoded. Our alphabet is just one such code; as a civilization we have chosen it to create an ordered, reliable way to communicate and connect.
So here are four secret code schemes we think are great fun for fourth graders. They are by no means the only ones, though! Do encourage your fourth grader to let their imagination soar. They may not realize it, but they'll also be building strong reasoning skills in the process.