Eureka math grade 5 module 4 lesson 12 problem set July 8, 2019 16 32 64 128 Eureka math grade 5 lesson 12 module 4 Eureka math grade 5 module 4 lesson 1 homework Eureka math grade 5 module 4 lesson 14 Eureka math grade 5 module 4 lesson 2 problem set