It was not Daniel, but DAVID, who slew Goliath(1 Samuel 17:41-51) and he was believed to have been in his late teens (too young to be fighting in battle against the Philistines, but old enough to be running errands into the battle zone to find his brothers-1 Samuel 17:12-22).
Maybe tradition says, but the Bible doesn't.
Daniel's age in the Bible is not known. Daniel is most known for being trapped in a lion's den in the Bible.
Goliath was the giant who fought against a young King David in the Old Testament of the Bible. Goliath's mother was David's mother's sister in law, Orpah.
The Bible does not specifically say how old he was but it does call him a "youth," which probably means about 12-16 years old.
They taught lessons and stories from the Bible - e.g. Noah and the flood, Moses and the Exodus, David and Goliath, Daniel in the lion's den etc from the old testament, and the gospels of Jesus and letters of Paul etc from the new testament.
There are 12 chapters and 357 verses in the book of Daniel in the Old Testament of the Bible.
Hosea
Daniel is the 27th book in the bible. Here we count both the old and new testament.
Check the Related Link below for a map showing the position of the battle.
You can read about this powerful king in the old testament, in the book of Daniel.
In the Book of Daniel in the Hebrew Scriptures, or "Old Testament." The Book of Psalms is dead center of the Bible. The Book of Daniel is the 8th book after Psalms.
Yes, in the old testament between Ezekiel and Hosea