Three cities
Open the map in 1500 and zoom into the Valley of Mexico. Find Tenochtitlan on its island, Texcoco on the eastern shore and Tlacopan on the western shore. Why would three lake cities become allies?
Open this view on the mapAztec (Mexica) · 1428-1519
In 1428 three lake cities joined forces and built an empire on tribute. Students explore how the Triple Alliance controlled hundreds of towns without governing them directly, what tribute lists reveal, and which neighbours were never conquered.
Live lesson · new in Classroom
Put the board on the projector. Students join with a six-digit code, no account needed, and tap the map: where was the frontier, where did the grain come from. Their pins drop in together when you reveal, and the closest student takes the round.
€19 per month: every lesson live, every worksheet, cancel anytime. Rome at its height runs live for free.
Read aloud
In 1428 three lake cities joined forces and built an empire on tribute. Students explore how the Triple Alliance controlled hundreds of towns without governing them directly, what tribute lists reveal, and which neighbours were never conquered.
By the end of the lesson, students can
Project the map, or let students follow on their own devices. Each step opens the map at the right year and place.
Open the map in 1500 and zoom into the Valley of Mexico. Find Tenochtitlan on its island, Texcoco on the eastern shore and Tlacopan on the western shore. Why would three lake cities become allies?
Open this view on the mapZoom out until you see the whole Aztec Empire in 1500. Which two coasts does it reach? The map shows one block, but in reality it was a patchwork of towns paying tribute.
Open this view on the mapFind Tlaxcala east of Tenochtitlan and the Purépecha capital Tzintzuntzan to the west. The border on the map is simplified: the Aztecs never conquered either. Why might an empire leave enemies so close?
Open this view on the mapPick two or three. They run from what happened to why it mattered.
Play one round of Rule History as Moctezuma II, the last great ruler of the Triple Alliance. Afterwards, discuss: how did the tribute system, which made many towns resent the Mexica, affect his choices when strangers arrived in 1519?
Open Rule History€19 per month unlocks every worksheet, every live lesson and the class workspace. The free lesson prints without a subscription.