Eureka math grade 5 lesson 10 5.2 July 8, 2019 16 32 64 128 Eureka math grade 5 lesson 10 homework 5.2 answer key Eureka math grade 5 lesson 1 Eureka math grade 5 lesson 19 Eureka math grade 5 lesson 16 Eureka math grade 5 lesson 21 Eureka math grade 5 lesson 20