1. Integer 2. Whole Number 3. Counting Number
1. Integer: An integer is a number that can be positive, negative, or zero. It includes all whole numbers and their opposites.
Example: -3, -2, -1, 0, 1, 2, 3
2. Whole Number: A whole number is a non-negative number that does not have any decimal or fractional part. It includes all positive integers and zero.
Example: 0, 1, 2, 3
3. Counting Number: A counting number, also known as a natural number, is a positive integer that is used for counting and ordering objects.
Example: 1, 2, 3, 4, 5