Greek and Roman religion have very similar qualities. Both religions are polytheistic and even share the same Gods. Mall amounts of sacrifice and needed to get in contact with Gods to ask them a favor. Gods are often included in many Greek and Roman legends that tell great life lessons and not to go against the Gods. Roman Gods are a bit more barbarous then Greek a Gods and and are upstaged in powers and their aspects due to Rome having a different intake from the gods then the Greeks.
Here's a lesson i made about The beginnings of ancient Greece with the Civilizations that lead up to it and the Dark Ages. Download available at:http://www.sharemylesson.com/teaching-resource/Anient-Greece-Early-Civilization-PPT-and-amp-Handout-50014987/