Series
This module covers core series topics for CIE 9709 Paper 1: arithmetic progressions, geometric progressions, and binomial expansions for positive integers…
📖Study Guide
In-depth bilingual notes with worked past paper examples.
✍️Practice Exam
Original questions for this topic: MCQ + FRQ + Application + drag/match.
🎴Flashcards
20+ flashcards: definitions / formulas / pitfalls. Click to flip.
📊Exam Insight
How this topic is distributed across past papers — data that shows what matters.
How often is this tested?
Tested 135 times in the last 10 years — 19.5% of all P1 past-paper questions (135 of 692).
Most often tested as Binomial expansion (positive integer index).
Based on OwlsPrep's analysis of official CIE 9709 past papers (2016–2025).
📊 Which Mathematics topics are most tested? See the real past-paper frequency →
Stuck on a specific question?
Snap a photo or paste your problem — Ollie (our AI tutor) walks through it step-by-step with diagrams.
Try Ollie free →
Snap a photo or paste your problem — Ollie (our AI tutor) walks through it step-by-step with diagrams.
Try Ollie free →