This is a unit on Needs and Wants created by our first grade team to align with the common core standards for first grade. This unit also has lesson and activities incorporated for Earth Day and Arbor Day, since we teach this social studies unit at that time of year. It starts out introducing what a needs and wants are, and then discusses earning money, goods and services, saving and spending, taking care of the Earth, and the importance of trees. Throughout the unit we use the following book