For this assignment, students read an online article about what resting heart rate is and how it is an indicator of physical fitness. In order to help them process their understanding, the students complete a Connect-Extend-Challenge visible thinking routine. Then, they measure their own resting heart rates and answer some questions about what this means for their fitness, using their understanding from the reading assignment. This is a read-to-print .pdf, but an editable Google doc is also a