Eureka math grade 8 module 2 lesson 12 July 8, 2019 16 32 64 128 Eureka math grade 8 module 2 lesson 12 answer key Eureka math grade 8 module 2 lesson 12 problem set Eureka math lesson 8 Eureka math lesson 12 Eureka math grade 2 lesson 11 Eureka math grade 1 module 2 lesson 3 Eureka math grade 1 module 2 lesson 18 homework