IB Math AA HL · 2021 to 2026
1.2 Arithmetic sequences & series
52 past paper questions from 18 exam sittings. See what repeats, then practise the same skills with AI marking.
Starter set: 24 AI-marked questions across the most-tested skills
2021 to 2026 · HL
1.2 Arithmetic sequences & series
Latest sitting May 2026
- questions
- 52
- questions
- sittings
- 18
- sittings
- micro-topics
- 4
- micro-topics
2021 to 2026
Micro-topics in 1.2 Arithmetic sequences & series
In syllabus order. The ring is the share of papers each appears in.
- Regular
last Nov 25 P1 TZ3
- Regular
last May 26 P3
- Less common
last May 26 P3
- Less common
last May 25 P2 TZ1
Exam pattern
Which micro-topics repeat, and which are due, rising or fading.
Does it repeat?
Questions per year for each micro-topic.
fewermore
| Micro-topic | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
|---|---|---|---|---|---|---|
1.2.2Sum of n terms | 2 | 3 | 5 | 2 | 3 | 1 |
1.2.1nth term | 1 | 5 | 8 | 2 | 4 | · |
1.2.3Sigma notation | · | 2 | · | · | · | 8 |
1.2.4Applications | · | 1 | 1 | · | 4 | · |
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Explore by exam session
Where 1.2 Arithmetic sequences & series came up in each paper. Open a paper to see those questions highlighted.
May 2026
1 question across 1 paper
November 2025
2 questions across 2 papers
May 2025
3 questions across 3 papers
November 2024
1 question across 1 paper
May 2024
1 question across 1 paper
November 2023
1 question across 1 paper
May 2023
3 questions across 3 papers
November 2022
1 question across 1 paper
May 2022
3 questions across 3 papers
May 2021
2 questions across 2 papers
Every 1.2 Arithmetic sequences & series question, unlocked
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Frequently asked questions
Short answers about this page.
Which Math AA HL exam sessions are covered for 1.2 Arithmetic sequences & series?
12 sessions from 2021 to 2026, the latest May 2026. Every Paper 1, 2 and 3 in every timezone is read and classified in full.
Which 1.2 Arithmetic sequences & series topic comes up most?
Sum of n terms (1.2.2): in 23% of sittings, last seen May 26 P3, usually a "find / solve" question worth about 3.4 marks.
Can I see the original question and mark scheme?
No. The wording belongs to the IB. You get the citation, the marks, the command term and the skill tested, plus our own practice questions of the same shape with worked answers and AI marking.
What do "banker", "due" and "rising" mean?
Banker: examined in at least one sitting in four and still appearing. Due: regular before, but absent for the last two exam sessions. Rising: clearly more common in the last two years. Our classification of real papers, not an IB statistic.
What is free and what needs Pro?
Reading this page and the exam pattern is free. A free account generates three sets of ten questions and launches one practice set. Pro opens every question in any scope, sets of twenty or all, and unlimited practice.
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