Answer... 

Myths: Genesis 1–2

Poems: Psalm 23

Songs: Exodus 15:1–18

Prayers: Matthew 6:9–13

History: 1 Kings 6

Prophecies: Amos 5:21–24

Gospels: Luke 2:42-44

Sermons: Matthew 5

Parables: Luke 15

Letters: 2 Timothy

Apocalyptic: Daniel 7

Why it matters? (Why do you think it matters?)
I know I can't read a newspaper the same way I read a poem. I don't read a novel the same way I read a research paper. I even get more bored or need more concentration with different types of writing. So it helps to know what you are reading. There are more than this... censuses, epics, building plans, genealogies, wise sayings...

Now What?
Do you think there are writings that God still inspires today?

Bonus - Five More Minutes

Read two of the links above (or portions of them)
and see how it helps knowing the genre.