At the time of their migration to the shores of Lake Texcoco, the Aztec numbered about AP World History Chapter 11 At the time of their migration to the shores of Lake Texcoco, the Aztec numbered about a. 1,000. b. 150,000 c. 10,000 d. 100,000 e. 50,000 Answer: C Learn More : Share this Share on FacebookTweet on TwitterPlus on Google+