This product includes a set of 10 CGI, Join Change Unknown (JCU) problems. For each problem, I have included a teaching slide to display to your class (if you so choose) which also has the standards listed for K-2, a slide that can be used for students to record their work, and a slide that has multiple copies of the problem so that students can glue the problem into a math journal (again, if you so choose). Each story problem is presented with blank spaces and four number sets underneath. Students can plug in each number set into the blanks (they get increasingly more challenging), or you can choose which number sets students use. You can even differentiate which groups get which number set based on your students’ needs! I have also included a CGI rubric as a resource. I hope that you find this CGI set of 10 Join Change Unknown (JCU) problems useful for your instruction and beneficial for your students!