Multiplication and Division Fact Families

What is the missing factor in this fact family? Options: 5, 4, 6, 8

What is the missing product? Options: 72, 81, 64, 99

What is the missing number in this fact family? Options: 40, 35, 45, 85

What is the missing number in the fact family? Options: 66, 61, 59, 77

What is the missing number in this fact family? Options: 3, 4, 12, 2

What is the missing number in this fact family? Options: 5, 6, 4, 10

What is the missing number in this fact family? Options: 2, 1, 3, 4

What is the missing number in this fact family? Options: 21, 22, 23, 24

What is the missing number in this fact family? Options: 4, 2, 3, 9

Which multiplication equation is in the same fact family as $$55\ \div\ 11\ =\ 5$$ ? Options: 5 x 11 = 55, 55 x 5 = 11, 11 x 55 = 5, none of these belong in the same fact family.