Exodus 7–12 records that God brought down 10 different plagues upon the people of Egypt because Pharaoh refused to release the children of Israel from their bondage. Each of these plagues would play a part in the ultimate exodus of God’s chosen people from their captivity into a forty-year journey into the promised land, but the tenth plague—the death of the first born son—would be the ultimate cause for Pharaoh authorizing the release of the people.
The tenth and final plague was the big one—the death of the first-born son. (11:1–10; 12:29–42). The death angel would pass through the land of Egypt and would kill the first-born son of every man, except for those who were covered by the blood of the lamb.
In preparation for the tenth plague, God instructed the children of Israel to put the blood of the Passover lamb on the two doorposts and on the lentil of the house. God made a covenant with the people: when the death angel saw the blood on the doorposts, it would “pass ov…