Eureka math grade 8 module 4 lesson 23 answer key July 8, 2019 16 32 64 128 Eureka math grade 3 module 4 lesson 8 Eureka math grade 4 module 4 lesson 2 Eureka math grade 4 module 5 lesson 23 Eureka math lesson 8 Eureka math grade 4 module 4 lesson 6