I belong to no fallibly organized religion. I do belong to, by Gods grace, the universal body of Christ.
>> is it your expectation that 7 and 8 year olds be able to understand and to recite both the Exodus and the Deuteronomy version of the Decalogue?<<
I certainly was expected to and did.
Perhaps this would be more official?
http://www.beginningcatholic.com/catholic-ten-commandments.html
Or this, which list the Traditional Catechetical Formula.
http://www.vatican.va/archive/ccc_css/archive/catechism/command.htm
In third grade you knew what adultery was? My!