The Ten Commandments
How Traditions Count Them
Mishnah Tamid 5:1 has Temple priests reciting the Decalogue with the Shema, as does the second-century BCE Nash Papyrus. The Talmud says the daily reading was dropped over heretics' claims.
Mishnah Tamid 5:1; Babylonian Talmud Berakhot 12a; Jerusalem Talmud Berakhot 1:5, that the minim should not say only these were given at Sinai; Cambridge University Library MS Or.233 (Nash Papyrus), dated to the second century BCE.
The ten utterances that Exodus 20 and Deuteronomy 5 set at Sinai, written on two tablets.