Paper 1 · Number Theory
⏱ Tested in 1 exam question since 2022
Lesson 1 of 5
Number Theory 1 – Types of numbers
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- Read set-membership notation: x ∈ ℕ, ℤ, ℚ, ℝ, ℂ
- Classify numbers as natural, prime, composite, integer, rational or irrational
- Recall that 1 is not prime and 2 is the only even prime
- Recognise recurring decimals as rational and √2, √3, π as irrational
Most recent exam questions
- 2022 P1 Q1(c) — deferred
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