Understanding the Main Ideas
In this unit you will practise:
- distinguishing main ideas from supporting ideas
- understanding the main points
- identifying information in a Reading passage
- matching headings
- multiple choice
- True / False / Not Given
1. Identifying the main idea
In the IELTS Reading test, you may be asked to match a list of headings with the correct paragraph or section of a passage. The headings summarise the main idea of the paragraph or section.
The passage may be divided into paragraphs or sections. In computer-delivered IELTS, matching headings tasks still require you to read the heading list before comparing it with the passage sections.
Practice 1.1
Read headings i-vii. What topic do all of the headings have in common? Underline the main points in each heading.
List of headings
iThe future of urban planning in America
iiConflicting ideas through the history of urban planning
iiiUrban planning has a long and varied history
ivFinancial problems helped spread an urban planning concept
vThe background to one particular planned community
viPolitical change obstructs progress in urban planning
viiAn urban plan to reduce traffic
Test Tip Use this approach when matching headings: read the headings, skim read the passage, read each paragraph, choose the best heading, then repeat for the remaining paragraphs.
Practice 1.2
Skim read the passage below to get the overall meaning.
Planned communities: garden cities
The notion of planning entire communities prior to their construction is an ancient one. In fact, one of the earliest such cities on record is Miletus, Greece, which was built in the 4th century BC. Throughout the Middle Ages and the Renaissance, various planned communities (both theoretical and actual) were conceived. Leonardo da Vinci designed several cities that were never constructed. Following the Great Fire of London in 1666, the architect Christopher Wren created a new master plan for the city, incorporating park land and urban space. Several 18th-century cities, including Washington D.C., New York City, and St Petersburg, Russia, were built according to comprehensive planning.
One of the most important planned city concepts, the Garden City Movement, arose in the latter part of the 19th century as a reaction to the pollution and crowding of the Industrial Revolution. In 1898, Ebenezer Howard published the book To-Morrow: A Peaceful Path to Real Reform in which he laid out his ideas concerning the creation of new economically viable towns. Howard believed that these towns should be limited in size and density, and surrounded with a belt of undeveloped land. The idea gained enough attention and financial backing to lead to the creation of Letchworth, in Hertfordshire, England. This was the first such Garden City. After the First World War, the second town built following Howard's ideas, Welwyn Garden City, was constructed.
In the early 1920s, American architects Clarence Stein and Henry Wright, inspired by Howard's ideas and the success of Letchworth and Welwyn, created the city of Radburn, New Jersey. Conceived as a community which would be safe for children, Radburn was intentionally designed so that the residents would not require automobiles. Several urban planning designs were pioneered at Radburn that would influence later planned communities, including the separation of pedestrians and vehicles, and the use of superblocks, each of which shared 23 acres of commonly held parkland.
In America, following the stock market crash of 1929, there was great demand for both affordable housing and employment for workers who had lost their jobs. In direct response to this, in 1935 President Roosevelt created the Resettlement Administration, which brought about a total of three greenbelt towns: Greenbelt, Maryland; Greenhills, Ohio; and Greendale, Wisconsin. These towns contained many of the elements of the Garden City Movement developments, including the use of superblocks and a green belt of undeveloped land surrounding the community.
Practice 1.3
Read Paragraph A and choose the best summary.
1. Paragraph A is mainly about:
Practice 1.4-1.6
Use the heading list and the planned communities passage to practise the matching-headings method.
Practice 1.4
Create a shortlist of possible answers for Paragraph A.
First, choose the headings you can confidently say are not connected to the main topic of Paragraph A.
Then choose the heading that best summarises the main idea of all of Paragraph A.
Practice 1.5
Read Paragraphs B-D again, and repeat the steps above.
Practice 1.6
For headings i, ii and vi, explain why they do not match any paragraphs.
Test Tip Do not try to match words in the headings to words in the passage. You need to focus on the whole idea of each paragraph.
2. Understanding the main points
Another type of question that can focus on the main point of a paragraph is multiple choice. This type of question often requires you to carefully read more than one sentence in the paragraph.
Practice 2.1-2.3
Read the questions below, then choose the correct letter A-D.
1. In Paragraph A, what is the main point that the writer makes?
2. According to the second paragraph, the Garden City Movement
3. What was one aim in designing the city of Radburn?
4. What do the towns of Greenbelt, Greenhills and Greendale all have in common?
3. Identifying information in a passage
For True / False / Not Given tasks, decide whether each statement agrees with the information in the text, is incorrect, or cannot be confirmed from the text.
Test Tip Remember that you are being tested on your ability to understand the information you read in the passage. Ignore anything you already know about the topic.
Practice 3.1
Skim read this passage to get the general idea of the content.
Urban heat
In 1818, Luke Howard published The Climate of London in which he identified an emerging problem: urban development was having a direct impact on the local weather. The early 1800s was a time of great expansion for London and Howard noticed that temperatures in the city were gradually becoming higher than those in rural areas. We now refer to these areas as Urban Heat Islands. The difference in temperature is usually greater at night and the phenomenon occurs in both winter and summer. Experts agree that this is due to urban development, when open green spaces are replaced with asphalt roads and tall brick or concrete buildings. These materials retain heat generated by the Sun and release it through the night. In Atlanta, in the US, this has even led to thunderstorms occurring in the morning rather than, as is more common, in the afternoon. Officials there are advising builders to use light-coloured roofs in a bid to reduce the problem.
Large cities around the world are adopting strategies to combat this issue and it is not uncommon to find plants growing on top of roofs or down the walls of large buildings. In Singapore, the government has pledged to transform it into a city within a garden and, in 2006, they held an international competition calling for entries to develop a master plan to help bring this about. One outcome was the creation of 18 Supertrees. These metal constructions are made to resemble very tall trees and range in height from 25m to 50m. Each one is a vertical freestanding garden and is home to exotic plants and ferns. Their structure allowed the designers to create an immediate rainforest canopy without having to wait for trees to reach such heights. They contain solar panels used to light the trees at night and also containers to collect rainwater, making them truly self-sufficient.
Practice 3.2-3.4
Decide if the statements are True, False or Not Given.
Luke Howard invented the term 'Urban Heat Island'.
City temperatures are higher than country temperatures regardless of the season.
Experts have failed in their efforts to create heat-reflecting concrete and brick.
Atlanta has experienced more dramatic weather change than other areas of the US.
Roofs that are dark in colour help address the issue of Urban Heat Islands.
Singapore's Supertrees are made entirely from natural materials.
The designers of the Supertrees originally planned to plant very tall trees.
The Supertrees require regular maintenance.