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Exponential growth and decay: Cambridge IGCSE Mathematics (0580) practice questions
Exponential growth and decay (E1.17, Extended) is part of Number (Extended). STEM Exam Builder holds 25 past-paper questions on it for Cambridge IGCSE Mathematics (0580), from papers set between 2010 and 2025, each with its mark scheme. 6 of them are in the sample set visitors can open in the builder.
What it covers
The questions are sorted into 5 skills; you can tick single skills in the builder:
- Repeated percentage population growth
- Original value before repeated depreciation
- Value after repeated percentage depreciation
- Write an exponential model formula
- Time for exponential change to reach a target
Questions by paper
| Paper | Questions |
|---|---|
| Paper 1 (Core, non-calculator) | 0 |
| Paper 2 (Extended, non-calculator) | 18 |
| Paper 3 (Core, calculator) | 0 |
| Paper 4 (Extended, calculator) | 7 |
Questions by level
Each question carries a level, C, B or A: the grade it is pitched at.
| Level | Questions |
|---|---|
| Level C | 0 |
| Level B | 20 |
| Level A | 5 |
Questions by year the paper was set
| Year | Questions |
|---|---|
| 2010 | 0 |
| 2011 | 0 |
| 2012 | 0 |
| 2013 | 0 |
| 2014 | 1 |
| 2015 | 2 |
| 2016 | 2 |
| 2017 | 3 |
| 2018 | 2 |
| 2019 | 1 |
| 2020 | 3 |
| 2021 | 3 |
| 2022 | 2 |
| 2023 | 2 |
| 2024 | 2 |
| 2025 | 2 |
Try sample questions
These questions are in the sample set anyone can open in the builder without an account. Each opens with its mark scheme on the flip side.
The link opens the builder on Exponential growth and decay, Paper 2. Visitors can browse the sample set; building and downloading a paper needs a plan.