International Baccalaureate (IB) Who We Are Unit. This unit is aligned with Next Generation Standards for Grade 3. It is a transdisciplinary unit that includes: An inquiry into cultural similarities and differences.An inquiry into expression of cultures and beliefs.An inquiry into how geographic location impacts your way of life.In this unit, you will be studying: An inquiry into the nature of the self; beliefs and values; personal, physical, mental, social, and spiritual health; human relations