Matthew 16:1-12. the Jews demanded a sign. Jesus told them the there will be no sign other than the sign of Jonah: Three days and three nights in the belly of a great fish. The disciples had forgotten to bring bread and Jesus coincidentally told them : Beware of the yeast of the Pharisees and the Sadducees. Huh? Jesus had to explain to them he meant the doctrine, not literal yeast.
Numbers 18 describes the duties of Priests and Levites, offerings for Supporting the Priests, tithes Supporting the Levites and the tithe of the Levites. As representatives of the LORD they were entitled to get the best part.
Numbers 19 details the laws and procedures of Purification, and introduces the red heifer.
In Numbers 20. Moses committed a major error in Kadesh. Thy were short on water, so God told Moses to speak to the rock. Instead, Moses smote the rock. Water sprung forth but God punished Moses and his people so severely that that generation was not allowed to enter the promised land. Why did God give them this harsh punishment? The rock was to be smitten only once, the second time Moses was to speak to the rock, a foreshadowing of Jesus, who was smitten once for our sins. At the end of the chapter Aaron died.