5 Bible Verses about Dividing Into Three Groups

He divided the three hundred men [into] three companies, and he put trumpets and empty jars in everyone's hand, with torches inside the jars.

David sent forth a third of the troops {under the command of Joab}, and a third {under the command of Abishai}, the brother of Joab, the son of Zeruiah, and the remaining third {under the command of Ittai} the Gittite. And the king said to the troops, "I, even I, {will certainly go out} with you."

He commanded them, saying, "This [is] the thing which you must do: one third of you {who go off duty on the Sabbath}, the keepers of the guard in the house of the king,

This is the thing that you must do: one third of you priests and Levites {coming off duty on the Sabbath} [shall be] gatekeepers at the entrances

When he defeated Moab, he measured them with the cord, making them lie on the ground. He measured two cords to kill and {the third cord} to let live. So Moab became servants of David, bringing tribute.