Đề IELTS Writing Task 1 dạng Mixed charts: cách viết và đề luyện tập

Cách viết IELTS Writing Task 1 dạng Mixed charts (biểu đồ kết hợp): nhận biết đề, dàn bài, lỗi hay gặp, kèm danh sách đề luyện tập chấm miễn phí.

Đề thi · 2 phút đọc · 2026-10-09

Dạng Mixed charts (biểu đồ kết hợp) là một trong những dạng hay gặp nhất của IELTS Writing Task 1. Trang này gồm cách nhận biết, dàn bài, lỗi hay gặp - và danh sách đề để bạn luyện ngay: bấm vào đề bất kỳ để viết và được chấm band, lỗi sai đánh dấu ngay trong bài.

Nhận biết dạng đề

Hai biểu đồ khác loại cùng một đề, ví dụ một biểu đồ đường và một biểu đồ tròn.

Dàn bài 4 đoạn

1. Mở bài: Paraphrase cả hai biểu đồ trong một câu.
2. Overview: Một điểm chính của mỗi biểu đồ, và mối liên hệ nếu có.
3. Thân bài 1: Biểu đồ thứ nhất.
4. Thân bài 2: Biểu đồ thứ hai, liên hệ với biểu đồ thứ nhất khi được.

Mẹo để lên band

• Overview phải nhắc cả hai biểu đồ.
• Thường mỗi biểu đồ một đoạn thân bài là rõ ràng nhất.
• Vẫn 150 từ trở lên: chọn lọc chi tiết chặt hơn vì có nhiều dữ liệu.

Lỗi hay gặp

Chấm bài IELTS Writing miễn phí

Đề IELTS Writing Task 1 dạng Mixed charts

Chọn một đề, viết bài (20 phút nếu muốn thi thật), rồi nộp để nhận band theo 4 tiêu chí. Tài khoản miễn phí được chấm 5 bài mỗi tháng.

1. Đi làm bằng tàu: The line graph below shows the number of people commuting by car and by train in Northport between 2000 and 2025, and the pie chart shows the reasons commuters gave for choosing the train in 2025. Summarise the information by selecting and reporting the main features, and make comparisons where relevant. Viết đề này
2. Sinh viên và nguồn gốc: The bar chart below shows the number of students at a university by faculty in 2015 and 2025, and the pie chart shows where the university's international students came from in 2025. Summarise the information by selecting and reporting the main features, and make comparisons where relevant. Viết đề này
3. Nước ở Arland: The pie chart below shows how water was used in Arland in 2020, and the line graph shows total water use in Arland between 1980 and 2020. Summarise the information by selecting and reporting the main features, and make comparisons where relevant. Viết đề này
4. Du lịch Corvia: The line graph below shows the number of international tourists visiting Corvia from 2010 to 2024, and the bar chart shows tourists' average daily spending on five things in 2024. Summarise the information by selecting and reporting the main features, and make comparisons where relevant. Viết đề này
5. Điện ở Delvar: The table below shows electricity production in Delvar by source in 2000, 2010 and 2020, and the pie chart shows the share of electricity used by each sector in 2020. Summarise the information by selecting and reporting the main features, and make comparisons where relevant. Viết đề này
6. Người mua sắm online: The line graph below shows the percentage of men and women in Belmora who shopped online at least once a month from 2008 to 2024, and the bar chart shows the items most often bought online in 2024. Summarise the information by selecting and reporting the main features, and make comparisons where relevant. Viết đề này
7. Đường đến trường: The pie charts below show how pupils at a primary school travelled to school in 2005 and 2025, and the bar chart shows the average journey time to school by each type of transport in 2025. Summarise the information by selecting and reporting the main features, and make comparisons where relevant. Viết đề này
8. Kinh tế Estoria: The table below shows the number of people employed in four sectors in Estoria in 1995 and 2025, and the pie chart shows the share of the country's income from each sector in 2025. Summarise the information by selecting and reporting the main features, and make comparisons where relevant. Viết đề này
9. Rác thải đô thị: The bar chart below shows the amount of household waste produced per person in five cities in 2024, and the pie chart shows what happened to household waste in those cities in 2024. Summarise the information by selecting and reporting the main features, and make comparisons where relevant. Viết đề này
10. Dân số Arland: The line graph below shows the population of Arland from 1950 to 2050, and the pie charts show the age structure of the population in 1950 and 2050. Summarise the information by selecting and reporting the main features, and make comparisons where relevant. Viết đề này
11. Khách quán cà phê: The bar chart below shows the number of customers visiting a café at different times on weekdays and at weekends, and the pie chart shows where the café's income came from. Summarise the information by selecting and reporting the main features, and make comparisons where relevant. Viết đề này
12. Xe điện ở Westbay: The line graph below shows new car sales in Westbay by type of fuel from 2016 to 2024, and the table shows the price, range and charging time of four electric car models in 2024. Summarise the information by selecting and reporting the main features, and make comparisons where relevant. Viết đề này
13. Thư viện Lakeford: The line graph below shows the number of printed books and e-books borrowed from Lakeford Library between 2004 and 2024, and the pie chart shows the ages of library members in 2024. Summarise the information by selecting and reporting the main features, and make comparisons where relevant. Viết đề này
14. Y tế và tuổi thọ: The bar chart below shows health spending per person in five countries in 2024, and the table shows life expectancy for men and women in the same countries in 2024. Summarise the information by selecting and reporting the main features, and make comparisons where relevant. Viết đề này
15. Loại hình và chi phí du lịch: The pie chart below shows the main types of holiday taken by people from Northport in 2024, and the bar chart shows the average amount spent per person on each type of holiday. Summarise the information by selecting and reporting the main features, and make comparisons where relevant. Viết đề này
16. Câu lạc bộ thể thao: The table below shows membership of a sports club by activity in 2014, 2019 and 2024, and the pie chart shows the ages of club members in 2024. Summarise the information by selecting and reporting the main features, and make comparisons where relevant. Viết đề này
17. Cà phê Estoria: The line graph below shows coffee production in Estoria from 1990 to 2020, and the pie chart shows the main buyers of Estoria's coffee in 2020. Summarise the information by selecting and reporting the main features, and make comparisons where relevant. Viết đề này
18. Không khí Eastvale: The bar chart below shows the average level of air pollution in four areas of Eastvale in winter and summer, and the pie chart shows the main sources of the pollution in the city centre. Summarise the information by selecting and reporting the main features, and make comparisons where relevant. Viết đề này
19. Internet ở ba nước: The line graph below shows the percentage of people using the internet in three countries from 2000 to 2025, and the bar chart shows the main online activities of internet users in Corvia in 2025. Summarise the information by selecting and reporting the main features, and make comparisons where relevant. Viết đề này
20. Mưa và mùa màng: The bar chart below shows the average rainfall in a farming region of Delvar in six months of the year, and the table shows the amount of three crops harvested in the region in 2014, 2019 and 2024. Summarise the information by selecting and reporting the main features, and make comparisons where relevant. Viết đề này
21. Phim ảnh ở Arland: The line graph below shows cinema attendance in Arland from 1990 to 2024, and the pie chart shows how people in Arland watched films in 2024. Summarise the information by selecting and reporting the main features, and make comparisons where relevant. Viết đề này
22. Tái chế ở Riverton: The table below shows the percentage of four materials recycled in Riverton in 2010 and 2025, and the pie chart shows what was thrown away in the town's waste bins in 2025. Summarise the information by selecting and reporting the main features, and make comparisons where relevant. Viết đề này
23. Giá nhà và thu nhập: The line graph below shows average house prices and average yearly earnings in Belmora from 2000 to 2024, and the pie chart shows how first-time buyers paid for their homes in 2024. Summarise the information by selecting and reporting the main features, and make comparisons where relevant. Viết đề này
24. Trẻ em và màn hình: The bar chart below shows the average daily screen time of children in four age groups on weekdays and at weekends, and the pie chart shows what children aged 14–16 used screens for. Summarise the information by selecting and reporting the main features, and make comparisons where relevant. Viết đề này
25. Sân bay Northport: The line graph below shows the number of passengers using Northport Airport from 2000 to 2025, and the table shows the airport's five busiest routes in 2025. Summarise the information by selecting and reporting the main features, and make comparisons where relevant. Viết đề này
26. Ngành đánh bắt cá: The table below shows the amount of fish caught by four countries in 1990, 2005 and 2020, and the pie chart shows what the fish caught by Arland was used for in 2020. Summarise the information by selecting and reporting the main features, and make comparisons where relevant. Viết đề này
27. Người lớn học ngoại ngữ: The pie chart below shows the foreign languages studied by adults in Westbay in 2024, and the bar chart shows the main reasons men and women gave for learning a language. Summarise the information by selecting and reporting the main features, and make comparisons where relevant. Viết đề này
28. Smartphone theo độ tuổi: The line graph below shows smartphone ownership by age group in Corvia from 2010 to 2025, and the pie chart shows what people aged 55 and over mainly used their smartphones for in 2025. Summarise the information by selecting and reporting the main features, and make comparisons where relevant. Viết đề này
29. Hoá đơn năng lượng: The pie chart below shows how energy was used in homes in Northport, and the line graph shows the average household energy bill in Northport from 2014 to 2024. Summarise the information by selecting and reporting the main features, and make comparisons where relevant. Viết đề này
30. Bảo tàng Eastvale: The bar chart below shows the number of visitors to four museums in Eastvale in 2014 and 2024, and the pie chart shows the ages of visitors to the Children's Museum in 2024. Summarise the information by selecting and reporting the main features, and make comparisons where relevant. Viết đề này
31. Đi xa và khí thải: The bar chart below shows the carbon emissions per passenger for each kilometre travelled by five ways of travelling, and the pie chart shows how people in Arland made long journeys in 2024. Summarise the information by selecting and reporting the main features, and make comparisons where relevant. Viết đề này
32. Việc làm sau tốt nghiệp: The bar chart below shows the percentage of graduates in five subjects who found a job within six months in 2024, and the table shows the average starting salaries of graduates in those subjects in 2014 and 2024. Summarise the information by selecting and reporting the main features, and make comparisons where relevant. Viết đề này
33. Chi tiêu cho ăn uống: The line graph below shows the percentage of household income spent on food in three countries from 1970 to 2020, and the pie chart shows where households in Belmora spent their food budget in 2020. Summarise the information by selecting and reporting the main features, and make comparisons where relevant. Viết đề này
34. Mất rừng: The bar chart below shows the area of forest in four countries in 1990 and 2020, and the pie chart shows the main causes of forest loss in Corvia between 1990 and 2020. Summarise the information by selecting and reporting the main features, and make comparisons where relevant. Viết đề này
35. Xe đạp công cộng Lakeford: The line graph below shows the number of trips made with a bike-sharing scheme in Lakeford in six months of 2024, and the pie chart shows the purpose of those trips. Summarise the information by selecting and reporting the main features, and make comparisons where relevant. Viết đề này
36. Các khoa bệnh viện: The table below shows the number of patients treated in five departments of a hospital in 2019 and 2024, and the bar chart shows the average waiting time in each department in 2024. Summarise the information by selecting and reporting the main features, and make comparisons where relevant. Viết đề này
37. Giao thông Riverton: The line graph below shows the number of cars registered in Riverton from 1980 to 2020, and the table shows information about traffic in the town in 1980 and 2020. Summarise the information by selecting and reporting the main features, and make comparisons where relevant. Viết đề này
38. Trà và cà phê: The bar chart below shows the average number of cups of tea and coffee drunk per person each week in five countries, and the pie chart shows where people in Arland usually drank coffee. Summarise the information by selecting and reporting the main features, and make comparisons where relevant. Viết đề này
39. Năng lượng tái tạo Belmora: The line graph below shows the share of electricity from renewable sources in Belmora from 2000 to 2025, and the pie chart shows the types of renewable energy used in Belmora in 2025. Summarise the information by selecting and reporting the main features, and make comparisons where relevant. Viết đề này
40. Du học sinh Estoria: The bar chart below shows the number of students from Estoria studying in four countries in 2014 and 2024, and the pie chart shows the subjects those students studied in 2024. Summarise the information by selecting and reporting the main features, and make comparisons where relevant. Viết đề này
41. Tội phạm ở Westbay: The table below shows the number of crimes reported in Westbay in 2014 and 2024, and the pie chart shows where thefts took place in 2024. Summarise the information by selecting and reporting the main features, and make comparisons where relevant. Viết đề này
42. Khí hậu Southmere: The line graph below shows the average temperature in Southmere in six months of the year, and the bar chart shows the average rainfall in the same months. Summarise the information by selecting and reporting the main features, and make comparisons where relevant. Viết đề này
43. Thể thao trên truyền hình: The pie chart below shows the sports most watched on television in Corvia in 2024, and the line graph shows the number of hours of sport shown each week on free and pay television channels from 2004 to 2024. Summarise the information by selecting and reporting the main features, and make comparisons where relevant. Viết đề này
44. Quy mô hộ gia đình: The line graph below shows the average number of people per household in three countries from 1960 to 2020, and the pie chart shows the types of household in Arland in 2020. Summarise the information by selecting and reporting the main features, and make comparisons where relevant. Viết đề này
45. Du khách đến Belmora: The table below shows the number of visitors to Belmora from different countries and how long they stayed in 2024, and the pie chart shows how those visitors spent their money. Summarise the information by selecting and reporting the main features, and make comparisons where relevant. Viết đề này
46. Nơi làm việc của nhân viên ngân hàng: The pie charts below show where employees of a bank worked in 2019 and 2024, and the bar chart shows the percentage of employees in each group who were happy with their work-life balance in 2024. Summarise the information by selecting and reporting the main features, and make comparisons where relevant. Viết đề này
47. Thị trường âm nhạc: The line graph below shows music sales in Arland by format from 2004 to 2024, and the pie chart shows the ages of music streaming subscribers in 2024. Summarise the information by selecting and reporting the main features, and make comparisons where relevant. Viết đề này
48. Doanh số siêu thị: The bar chart below shows weekly sales of four types of food at a supermarket in 2019 and 2024, and the pie chart shows how customers shopped at the supermarket in 2024. Summarise the information by selecting and reporting the main features, and make comparisons where relevant. Viết đề này
49. Đi học và biết chữ: The table below shows the percentage of children attending primary and secondary school in four countries in 1990 and 2020, and the line graph shows adult literacy rates in the same countries from 1990 to 2020. Summarise the information by selecting and reporting the main features, and make comparisons where relevant. Viết đề này
50. Điện mùa hè ở Corvia: The line graph below shows electricity demand in Corvia over a typical summer day, and the pie chart shows how that electricity was generated. Summarise the information by selecting and reporting the main features, and make comparisons where relevant. Viết đề này

Câu hỏi thường gặp

Dạng Mixed charts cần viết bao nhiêu từ?

Tối thiểu 150 từ. Khoảng 170–190 từ là vừa đủ.

Luyện đề này ở đâu để được chấm?

Bấm “Viết đề này” ở bất kỳ đề nào phía trên: đề mở sẵn trong trang viết của Skillseed, viết xong nộp là có band, nhận xét 4 tiêu chí và lỗi sai đánh dấu trong bài, giải thích bằng tiếng Việt.

Viết bởi đội ngũ Skillseed.