Copy each page and cut the problems apart. Students can glue them in a notebook and solve them as they show their work underneath. These are labeled with the common core standard, so the notebook serves as a portfolio of growth in word problems to be added to all year! I did put 2.0AA.1 as the standard, so if you teach 1st or 3rd you would have to have the students change the 2 to a 1. Students will be making their own growth portfolio to serve as an authentic assessment with minimal work for you. These problems are "Add to result unknown, which is also on the label.