Use this to brush up if you're preparing for an Arithmetic placement exam for college. This set of practice exercises is a quick list of some of the toughest concepts in Arithmetic! Challenge yourself to practice all the exercises. If you find it challenging, that's good! It means you're learning about what you need to learn :)
If you find an area where you need to go back and review more, you can use your Learning Dashboard to help you build mastery and explore foundations you need to review.