Cooperative learning activity for adding and multiplying fractions. This contains two worksheets: one for adding and one for multiplying. It is the same activity, and the teacher can choose whether to use the adding worksheet or the multiplying one. All the teacher needs to do is copy an activity sheet for each student and cut out the fraction cards. Enough cards are included for 30 students, but if you need more, you could just use two sets of cards. Note that there is no answer key because the problems are dynamic.