Module 2 lesson 18 grade 5 July 8, 2019 16 32 64 128 Eureka math grade 5 module 2 lesson 18 homework Grade 5 module 2 lesson 18 homework answer key Eureka grade 5 module 2 lesson 18 Eureka math grade 5 module 2 lesson 18 Eureka math grade 5 module 2 lesson 18 problem set Eureka math grade 5 module 2 lesson 18 exit ticket