It never fails that I have students who finish their work way before the majority of my class. I always want something for my early finishers to do so I have math games/activities as one of their choices. Because I don't want them to get bored of doing the same ones over and over I have a bunch of ones I rotate through.
Here is a soccer themed product that includes games focused on multiplication and subtraction with regrouping. There is great flexibility in this because students can complete the activities alone or as a game with a partner!!!
Answer keys are also provided so students can check their own work.