- Positive, Negative and Natural Integers or Directed Numbers
- Problem-Positive, Negative and Natural Integers or Directed Numbers

- Multiplication of Integers
- Prob-Multiplication of Integers or Directed Numbers With Like Signs
- Prob-Multiplication of Integers or Directed Numbers With Unlike Signs

- Division of Integers
- Problem-Division of Integers or Directed Numbers with Like Signs
- Problem-Division of Integers or Directed Numbers with Unlike Signs

- Distributive Property of Multiplication Over Addition for Integers
- Distributive Property of Multiplication Over Subtraction