The invention of the plow helped them with tilling or turning and also, soil to prepare it for planting.
Scribes helped record laws as well as contracts. These people were at the top of the list. They new how to write and at the time not many people new how to write. Slaves and servants were at the bottom of the list.
The people believed that if they did kind things to the gods they would treat them in the after life.
The Sumerians played music and did other things to please the gods so the gods would treat them in the after life.
Life was tough with out the wheel, when they didn't have the wheel the used a thing called a sledge. When the wheel was made it made it so much easier to move heavy objects.
They wrote only using symbols people went to school just to learn how to write. They didn't have letters!