This worksheet is a great review for adding fractions (like and unlike denominators) and simplifying the answers. Most answers are greater than one, so students should be comfortable with mixed numbers. It could be used for homework, independent math centers, whole group or small group review, etc.
Students solve the equation and then look for the answer in the code. Each time the answer appears, they write the corresponding letter above it. When students correctly solve the worksheet, they'll have a new joke to tell their family and friends!
My students are motivated to complete these worksheets, and I like that they are naturally "self-checking." If they can't find their answer, they know they need to try it again.