Deuteronomy 4:14

And the Lord commanded me at that time to teach you statutes and judgments, that ye might do them in the land whither ye go over to possess it.

Cross-reference

Deuteronomy 6:1 repeats the same command to teach statutes for doing them in the land—reinforcing this instruction.

Psalm 105:45 states the purpose of possessing the land is to keep God's statutes—the same purpose as teaching them here.

Exodus 21:1 Historical context

Exodus 21:1 introduces the 'rules' God commanded Moses to set before the people—the same legal material Moses teaches here.

Exodus 24:12 Historical context

Exodus 24:12 shows God giving Moses tablets of stone with the law for instruction—the origin of the statutes Moses is to teach.

In 1 Kings 12:28, Jeroboam's golden calves directly oppose the statutes Moses was commanded to teach — a contrast between fidelity and idolatry.