- Addition of Two or More Rational Numbers
- Problem-Addition of Two or More Rational Numbers
- Subtraction of Two or More Rational Numbers
- Problem-Subtraction of Two or More Rational Numbers
- Additive inverse of rational numbers

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

- Division of an Integers or Directed Numbers by 0 is Not Possible
- Problem-Division of an Integers or Directed Numbers by 0 is Not Possi
- Division of Integers or Directed Numbers with Like Signs
- Problem-Division of Integers or Directed Numbers with Like Signs
- Division of Integers or Directed Numbers with Unlike Signs
- Problem-Division of Integers or Directed Numbers with Unlike Signs