Types of Numbers

• What are natural numbers?

  • Positive whole numbers
  • Examples: 4, 27, 19620
• What are integers?

  • Positive or negative whole numbers
  • Examples: 2, 5, -167, 0
• What are rational numbers?

  • Numbers that can be written as a fraction
• What are irrational numbers?

  • Numbers that cannot be written as a fraction