Great for test prep, math centers, holiday activity, or just a fun review of math skills! Adding and Subtracting Mixed Numbers Easter Bundle Mystery Coloring Activities: (Activities increase with difficulty from 1 to 6.) 1. Converting Improper Fractions to Mixed Numbers Easter Mystery Coloring Activity. 2. Reducing Fractions Easter Mystery Coloring Activity. 3. Adding Mixed Numbers Easter Mystery Coloring Activity - All of the problems have common denominators and most sums need to be reduced