Today, my Math for College Readiness classes started the section on Patterns and Iterations. Ahead of time, I made 8 sets of 5 colored cards. On each colored card, I wrote 4 or 5 terms of a sequence. Students' desks are already in groups of 3. Each group got one set of cards and a half-sheet worksheet. On the worksheet, students brainstormed to come up with the pattern for each sequence and the next 5 terms.
It was definitely a success! They enjoyed the challenge and worked well together. One of my sequences was O, T, T, F, F,... Most of them were able to figure it out without a hint.