Rule for 4

All numbers that are divisible by 2 twice.

Rule for 2

All even numbers are divisible by 2

Eg. Even Numbers: 0,2,4,6,8

Divisibility Rule for 1

All whole numbers are divisible by one.

Practice Test (textbook pages 220-221)

4. a) 6/6 - 2/6 = 4/6 or 2/3
b) 2/3 - 1/3 = 1/3
c) 4/6 - 1/6 = 3/6 or 1/2