# Concise Selina Solutions for Class 7 maths Chapter 11 Fundamental Concepts (Including Fundamental Operations)

In mathematics, an essential algebraic operation is any one of the traditional operations of arithmetic, which are addition, subtraction, multiplication, division, raising to an integer power, and taking roots (fractional power). There are five fundamental operations in mathematics: addition, subtraction, multiplication, division, and modular forms. Page 1. There are five fundamental operations in mathematics: addition, subtraction, multiplication, division, and modular forms. Product or quotient of several constants or variables is called a term. The terms having the same literal factors are called like terms; otherwise, they are called, unlike terms. The parts of an algebraic expression joined together by plus (+) signs are called its terms. For example, the number of terms in the expression 2x – 3y – 4 is 3. Variable term- A term that contains variables is called a variable term. Example: 2x is a variable term in the expression 2x + 5.Various grouping symbols are-, (), { } and [ ]. When removing the brackets, we start from innermost grouping symbol and work our way outwards.