Secrets of Stones - Hematite for Mental Organization - Crystal Healing - Hematite aids with original and logical thinking, mathematics and mental organization. It aids with mental clarity and recall while helping you to see what is more important when juggling priorities.
I will be using this as a bellringer sometimes to promote justifying and critical thinking. I also do a skill of the week. One is EXPLAIN!! I can't think of a better tool to help them build this skill. Math = Love: WODB: Which One Doesn't Belong?