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IELTS Writing Task 2: The Problem–Solution Essay

By the end of this exercise, you can explain the causes of a problem and propose realistic solutions, linking each solution to a cause.

At a glance

Free IELTS Writing Task 2 practice for causes-and-solutions questions: explain why a problem happens, link each solution to a cause, and use cause-and-effect language accurately.

Level
B2–C1 (CEFR)
For
IELTS Academic
Skills
Writing
Tasks
4 — A model essay · Cause and effect · Solutions that fit the cause · Write your own problem–solution essay
Cost
free, no sign-up
About this task in the exam

IELTS Writing Task 2 is an essay of at least 250 words in response to a point of view, argument or problem. You have about 40 of the 60 minutes for it, and it counts for twice as much as Task 1. A question such as “What are the causes of this problem, and what measures could be taken to solve it?” has two parts: explain why the problem happens, then suggest solutions. The strongest essays link each solution to one of the causes.

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Ex A – Model answerComplete a model essay on food waste with cause, effect and solution language
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Ex B – Cause and effect8 items: leads to, is caused by, due to or because
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Ex C – Solutions5 items: match each cause with the solution that fixes it, plus 2 review items
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Ex D – WritingWrite a full problem–solution essay of at least 250 words
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Exercise A

A model essay

Read the model essay. Choose the word or phrase that links each cause to its effect and each solution to the cause it fixes.

Before you start — optional, not marked
This is just to get you thinking — you can leave it empty and it does not count towards your score.
Model essay

In many countries, households throw away a large amount of food. What are the causes of this problem, and what measures could be taken to solve it?

In many countries, a surprising amount of the food that families buy ends up in the bin. This waste costs households money, and it also wastes the water, land and energy that were used to produce the food. This essay will examine the main causes of the problem and suggest some practical solutions.

One major cause is the way people shop. Supermarkets often sell food in large packs or offer deals such as “buy one, get one free”, and this people buying more than they can eat. Another cause is confusion about date labels. Many people throw food away an expired “best before” date, even though this date is about quality, not safety, and the food is often still fine to eat. Finally, busy working lives meals are often not planned, so fresh vegetables are forgotten at the back of the fridge until they have to be thrown away.

Several measures could be taken to tackle these causes. , supermarkets could be encouraged to sell more loose fruit and vegetables, so that shoppers buy only what they need. Clearer labelling would also help: labels explained the difference between “use by” and “best before”, fewer safe products would be thrown away. In addition, schools and local councils could teach simple skills such as planning meals and cooking with leftovers, which less waste at home.

In conclusion, household food waste is mainly caused by shopping habits, confusing labels and a lack of planning. Selling food in smaller amounts, clearer labels and practical teaching about cooking could all reduce it, saving families money and protecting the environment.

Exercise B

Cause and effect

Choose the phrase that links the cause and the effect in the right direction. Remember: due to is followed by a noun, because by a full clause.

Complete the sentences
1. Effect after the cause: Heavy traffic air pollution in city centres.
2. Cause after the effect: Air pollution in city centres heavy traffic.
3. Many flights were cancelled the storm.
4. Many flights were cancelled there was a storm.
5. Prices rose sharply. , many families spent less.
6. Lack of sleep can poor concentration.
7. Poor concentration in class can staying up too late.
8. The rise in obesity is partly to a lack of exercise.
Exercise C

Solutions that fit the cause

A solution is only convincing if it fixes the cause you described. For each cause, choose the solution that actually addresses it. Items 6 and 7 review the Discussion and Opinion Essay exercises.

Choose the solution
1. Cause: Many older people live alone and rarely leave the house. The best solution is:
2. Cause: Young people cannot afford to rent a home near their workplace. The best solution is:
3. Cause: Children spend many hours on screens instead of playing outside. The best solution is:
4. Cause (Exercise A): Shoppers buy food in large packs and throw much of it away. The best solution is:
5. Cause: People drive for short trips because the buses are slow. The best solution is:
6. Review (Discussion Essay): of the new tax argue that it will hurt small shops.
7. Review (Opinion Essay): the plan was expensive, the council approved it.
Exercise D

Write your own problem–solution essay

Write an essay for an IELTS examiner on the question below. Explain two or three causes, then suggest a solution for each one.

Your essay
Plan first: introduction → a paragraph of causes → a paragraph of solutions, each linked to a cause → conclusion. Use leads to, is caused by, due to and if …, … would …. In the exam you would have about 40 minutes; here there is no time limit.
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