The animals went in two by two to be saved from the flood. To some students, doing poorly on the first exam is also a calamity of biblical proportions. A bad first grade is often nearly impossible to recover from if no changes to studying are incorporated. First tests of learning can be the perfect metacognitive moment for a student to assess whether they need to change how they are studying. It is also a perfect opportunity for us faculty to get a sense of the effectiveness of our teaching. Here is a simple two-by-two methodology that can help you help your students learn better—and evolve your teaching along the way.