Do you need math warm ups, centers, or early finisher activities? There are 10 no prep puzzles are easy to print and just hand out for instant engagement. In this activity, students decide for themselves whether six statements are true/false about a given puzzle. You can then have them engage in math talk to defend their thinking, and critique the reasoning of others.Why work on reasoning activities?The Standards for Mathematical Practice put a focus on the thinking processes of students. There