Practice problem answer keys that provide correct and incorrect answers increase student metacognition and lead to more thorough learning.
It’s review season for AP courses! I have a love/hate relationship with the date of the AP Chemistry exam. On one hand, it’s SO early. On the other hand, because it’s the first exam, my students actually study for it (compared to later in the AP exam season when students are like, “I’m done. I don’t care anymore.”).