Unidad 1: Preservación y destrucción del medio ambienteOver the past several years I've compiled my lessons for my Spanish IV and V International Baccalaureate (IB) / Bachillerato Internacional classes. They are written for 90-minute lesson plans for both SL and HL Spanish, for an entire 3-week unit, but can be divided in half for non-block classes. They are incredibly detailed, meticulous and specific on how to teach students in. They are written in Spanish. If you order the lessons from me,