Eureka math lesson 6 problem set 5.5 July 8, 2019 16 32 64 128 Eureka math grade 5 module 5 lesson 6 Eureka math grade 5 module 6 lesson 1 Eureka math grade 6 module 1 lesson 7 problem set Eureka math grade 5 module 6 lesson 7 homework Eureka math grade 5 lesson 6 module 3