{"id":37900,"date":"2026-04-08T15:14:29","date_gmt":"2026-04-08T08:14:29","guid":{"rendered":"https:\/\/times.edu.vn\/?p=37900"},"modified":"2026-05-08T16:46:04","modified_gmt":"2026-05-08T09:46:04","slug":"igcse-sequences-questions","status":"publish","type":"post","link":"https:\/\/times.edu.vn\/en\/igcse\/igcse-sequences-questions\/","title":{"rendered":"IGCSE Maths Sequences Questions: Linear, Quadratic & Geometric for A*"},"content":{"rendered":"

IGCSE<\/a><\/strong>\u00a0<\/strong>sequences<\/strong>\u00a0questions<\/strong> test whether you can recognize number patterns quickly and turn them into correct rules, especially the nth term<\/strong>.<\/p>\n

High-scoring answers classify the sequence first (Arithmetic Progression with a common difference<\/strong>, geometric sequence<\/strong>\u00a0with a common ratio, or quadratic nth term<\/strong>\u00a0using second differences<\/strong>) and then prove the rule with a short check.<\/p>\n

You\u2019re expected to continue sequences, find an nth-term formula for any position, and handle harder pattern-recognition cases like alternating, Fibonacci-type, or diagrammatic sequences.<\/p>\n

The most reliable exam tactic is to use difference\/ratio tests, write the right template, and substitute cleanly for large terms.<\/p>\n

IGCSE sequences questions: <\/strong>A<\/strong>\u00a0high-score strategy guide from Times Edu<\/strong><\/h2>\n

\"IGCSE<\/p>\n

IGCSE sequences\u00a0questions look simple, but they are engineered to test pattern recognition, algebraic reasoning, and exam discipline under time pressure.<\/p>\n

The best students do not \u201cguess the pattern\u201d; they classify the sequence quickly, write the correct structure, and then prove it with checks.<\/p>\n

Based on our years of practical tutoring at Times Edu, the fastest improvement comes when students stop treating sequences as isolated tricks and start treating them as a decision tree: L<\/strong>inear (Arithmetic Progression)<\/strong>, geometric (Geometric Sequence)<\/strong>, quadratic (Quadratic nth term)<\/strong>, or \u201cnon-standard\u201d (cubic, Fibonacci-type, diagrammatic).<\/p>\n

>>> Read more:<\/strong> IGCSE to IB Skills<\/a> 2026: What Study Habits and Academic Skills Students Need to Succeed<\/p>\n

Finding the nth term for IGCSE sequences questions<\/strong><\/h2>\n

The core skill in IGCSE sequences\u00a0questions is moving from \u201cterm-to-term thinking\u201d to \u201cposition-to-term thinking.\u201d Examiners reward students who can produce an explicit nth Term<\/strong>\u00a0formula and then use it to compute large positions like the 50th term without writing 49 steps.<\/p>\n

Term-to-term vs position-to-term (do not confuse these)<\/strong><\/h3>\n

Term-to-term rules describe how you get from one term to the next (add 3, multiply by 2, alternate). Position-to-term rules give a direct formula in terms of n<\/strong>, the term number.<\/p>\n

A critical detail most students overlook in the 2026 exam cycle is that many 2\u20133 mark questions are designed to trap students who only describe the pattern in words. The mark scheme typically requires an algebraic expression (your nth Term<\/strong>), plus a quick check.<\/p>\n

Linear sequences: Arithmetic Progression and common difference<\/strong><\/h3>\n

A linear sequence is an Arithmetic Progression<\/strong>. The difference between consecutive terms is constant: The Common Difference<\/strong>.<\/p>\n

Method (fast and exam-safe):<\/strong><\/p>\n