OK, Now the Deuteronomy clears THAT up! LOL
In John 4, The Samaritan Woman gets into a big discussion about this very thing.
So while the ORIGINAL Passover Lamb was sacrificed one per household, later, it was to be in the tabernacle, or the temple.
OR perhaps, to be interpreted,
OUTSIDE the GATES.
(not debating, as we do not debate on this thread, just musing over the new information you have shared. Thank you!)
http://rabbikaganoff.com/archives/1536
...Virtually all opinions agree that it is a Torah prohibition to offer korbanos anywhere in the world except for the designated place in the Beis HaMikdash [Temple] called the mizbeiach [altar]...