Integers are the set of whole numbers and their opposites. Real numbers less than zero are called negative integers. The integer zero is neither positive nor negative and has no sign. Two integers are opposites if they are each the same distance away from zero but on opposite sides of the number line. The chapter contains explanations for integer topic and all process associated with it like Addition, Subtraction, Multiplication and Division. The chapter includes a lot of examples for explaining these topics in detail. More number of models are given for those topics which are essential for the exam point of view.