Class 4 math unit 5 exercise 3 July 8, 2019 16 32 64 128 Class 5 math unit 4 exercise 3 question 2 Class 5 math unit 4 exercise 4 question 3 Class 5 math unit 1 exercise 3 question 4 Unit 3 exercise 1 class 5 Grade 4 module 5 lesson 4 Grade 5 math module 4 Grade 5 module 4 lesson 8 homework