Class 6 math unit 8 exercise 8.2 July 8, 2019 16 32 64 128 Unit 1 lesson 8 practice problems 6th grade Unit 4 lesson 8 practice problems 6th grade Unit 6 lesson 8 cumulative practice problems Grade 6 unit 2 lesson 6 practice problems Unit 6 lesson 3 practice problems 8th grade