# Basic math glossary-I

Basic math glossary-I define words beginning with the letter I

Improper fraction: A fraction with a bigger numerator than a denominator.

Infinite: With no end or limit.

Integers: The set of all whole numbers and their opposites.

Intersecting lines: Lines that meet or cross in the same plane.

Invert: In a fraction, it means to switch the position of the numerator with the denominator .

For example, inverting 2/5 gives 5/2

Irrational number: A number that cannot be expressed as a fraction.

For example, square-root(2) and square-root(3) are irrational number because they cannot b written as a fraction.

Isosceles triangles: A triangle that has two equal sides.
 Looking for a book that will help you sharpen your basic algebra skills?With algebra skills, most topics are illustrated with algebra tiles as you learn skills   that will help you to be successful in algebra. ## Recent Articles 1. ### Fundamental Counting Principle

Jun 06, 23 07:32 AM

The fundamental counting principle is introduced in this lesson. Learn how to count with the multiplication principle and the addition principle.