Making a list helps organize information so you could focus on the important part. Otherwise, the problem will come out confusing. It also helps you so you could understand the problem.
Word problem:
Juliana has 20 pencils, 25 erasers, and 40 paper clips. She organizes them into groups with the same number of items in each group. All the items in a group will be the same type. How many items can he put in each group?
