Eureka math grade 4 module 6 lesson 8 July 8, 2019 16 32 64 128 Eureka math grade 4 module 6 lesson 8 homework Eureka math grade 6 module 4 lesson 8 exit ticket Eureka math grade 6 module 4 lesson 8 problem set Eureka math grade 6 module 4 lesson 8 answer key Eureka math grade 6 module 4 lesson 8 classwork