Bridges in mathematics grade 4 unit 6 module 1 session 1 July 8, 2019 16 32 64 128 Grade 4 module 3 lesson 16 Grade 5 module 4 lesson 1 problem set Grade 5 module 4 lesson 16 Lesson 6 homework module 4 grade 2 Module 4 lesson 26 grade 5