Before we jump into fractions next week, we are going to work with Prime and Composite numbers for a few days. This is not officially a 5th grade state standard that is required, but it helps a lot when working with fractions (especially simplifying). This will also allow us to review divisibility rules and multiples, which will be helpful when finding common denominators.
We won't spend more than a few days on this, but here are some resources:
Math Goodies
Fruit Splat Game
Math Goodies
Fruit Splat Game