Eureka math grade 5 module 6 lesson 12 problem set July 8, 2019 16 32 64 128 Eureka math grade 5 module 6 lesson 1 Eureka math grade 5 module 5 lesson 6 Eureka math grade 5 lesson 12 module 4 Eureka math grade 5 module 6 lesson 19 homework Eureka math grade 5 lesson 6 module 3