Number Patterns & Sequences

Numbers · O/L Maths

Spot the rule behind a pattern and predict what comes next.

sub-topics

• Finding the rule
  Describe patterns and extend them.
• Arithmetic sequences
  The nth term Tₙ = a + (n − 1)d.
• Sum of an arithmetic series
  Sₙ = n/2 (2a + (n − 1)d).
• Geometric sequences
  The nth term Tₙ = a rⁿ⁻¹.