Eureka math grade 5 module 2 lesson 15 July 8, 2019 16 32 64 128 Eureka math grade 5 module 2 lesson 15 problem set Eureka math grade 5 module 2 lesson 15 homework Eureka math grade 5 module 2 lesson 15 homework answers Eureka math grade 5 module 2 lesson 15 exit ticket