Illustrative mathematics grade 6 unit 4 lesson 6 practice problems July 8, 2019 16 32 64 128 Illustrative mathematics grade 6 unit 4 lesson 5 practice problems Illustrative mathematics grade 6 unit 4 lesson 8 practice problems Illustrative mathematics grade 6 unit 4 lesson 7 practice problems Illustrative mathematics grade 6 unit 4 lesson 3 practice problems