This colorful 19 page pdf contains 9 problems each for reviewing how to convert mixed numbers to improper fractions, convert improper fractions to mixed numbers, and how to simplify fractions. There are 10 real world problems utilizing adding and subtracting fractions with unlike denominators. This can be used as a substitute review packet, or as a Math Center. The word problems can be printed and used as a gallery walk. Answer keys are included for all problems.