Aptitude is defined as a “pronounced innate capacity for or ability in a given line of endeavors such as a particular art, school subject or vocation.

• Teaching aptitude refers to an individual's innate ability in teaching.
• Mathematics teaching aptitude is the ability to teach Mathematics well.

​ Mathematics teaching aptitude requires:

• Language of Mathematics:-Mathematics deals in abstractions and itself is a way of thinking, it creates a dependent relationship between the notions and the language used to describe them. Mathematical language facilitates thinking by complementing ordinary language. Mathematics is itself a language; it has its own symbols and rules for correct usage. So, it is important to understand mathematical language.
• Understanding of basic concepts of Mathematics:- It is crucial to understand the basic concepts of Mathematics for mathematical knowledge.
• The ability for Mathematical communication:- Mathematical ideas can be communicated in a number of ways. Communicating through oral, written or visual clarify the concepts well. So, it is very important for a teacher to have the ability for Mathematical communication.

Thus, it is concluded that Mathematical aptitude requires Language of Mathematics, Understanding of basic concepts of Mathematics, and Ability for Mathematical communication.