This is the sixth in a series of timed tests for fifth grade students. The series of tests becomes more difficult as it progresses and is designed to help teachers find skills in which their students may need extra assistance or practice. Timed Test Six assesses the ability to add fractions with like denominators. All of the products in this timed tests are already in simplest form and do not need to be simplified. These timed tests are designed to model the AIMS web testing format. An answer key is provided.