The term X MATH is an abbreviation for Cross-Multiplication and Algebraic Thinking Habits. It is a type of mathematics that focuses on the use of algebraic equations to solve problems. ALGEBRA is a branch of mathematics that deals with the manipulation of symbols and equations to solve problems. Cross-multiplication is a method of solving equations by multiplying two sides of an equation together to find the solution. Algebraic Thinking Habits are strategies used to help students understand and apply algebraic concepts.