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Chapter 1: Real Numbers

  1. 1.1What are Real Numbers?
  2. 1.2The Fundamental Theorem of ArithmeticFree preview
  3. 1.3HCF and LCM by Prime Factorisation
  4. 1.4Using the Fundamental Theorem
  5. 1.5Proving √2 is Irrational
  6. 1.6More Irrationality Proofs
  7. 1.7Exercise 1.1: Solutions
  8. 1.8Exercise 1.2: Solutions
  9. 1.9Chapter Summary + Quiz