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Spotting arithmetic sequences

Spotting arithmetic sequences

Arithmetic sequence 4, 7, 10, 13, 16 with equal +3 jumps, and paired first-last terms showing the arithmetic series formula

A sequence is an ordered list of numbers, where each number is called a term. In an arithmetic sequence, the gap between consecutive terms is always the same; this constant gap is called the common difference, ddd.

Sequences (Higher) Lesson

  1. IGCSE
  2. /Maths
  3. /Sequences (Higher)

Step-by-step lessons on Edexcel IGCSE Maths Sequences (Higher). Each one builds up to exam-style questions. Build confidence with the shared Foundation-tier content first, since roughly 40% of Higher-tier marks are targeted at the grades 4–5 boundary that both tiers have in common.

Lessons