Eureka math grade 4 module 5 lesson 19 July 8, 2019 16 32 64 128 Eureka math grade 4 module 5 lesson 19 homework Eureka math grade 4 module 5 lesson 19 homework answers Eureka math grade 5 module 4 lesson 19 problem set Eureka math grade 5 module 4 lesson 19 exit ticket