FOCUS QUESTION

How are the different sets of numbers related?

The map breaks this topic into its core concepts, connected by labeled relationships. Each link is written so it can be read as a complete statement — not just an unlabeled line between boxes.

Concepts and relationships

  • Real Numbers include Rational Numbers.
  • Real Numbers include Irrational Numbers.
  • Rational Numbers include Integers.
  • Integers include Whole Numbers.
  • Whole Numbers include Natural Numbers.

How to read this map

Read the nesting: real numbers include rational and irrational numbers, and rational numbers include integers, whole and natural numbers.

Learning objectives

  • Distinguish natural, whole and integer numbers.
  • Define rational and irrational numbers.
  • Explain how the sets nest.
  • Classify a given number.
Review standard: Number-set relationships were checked against standard mathematics curricula. Sources: Standard secondary-school mathematics curricula.