What is the percentage ofstudents from Asia?

Charts and Graphs

1. Let’s learn how to talk about pie charts.
A. Pie charts show a percentage. Pie chart A is for an English language school in theUS. It shows what percentage of students come from Asia, from Europe, etc.
Where do the students come from?

Useful expressions for pie charts

2%A

1. 12 percent of students are from ~.

7%
12%

18%

61%

12
3
45

2. More than fifty percent of thestudents are from ~.
3. The pink area shows the percentage ofstudents from ~.
4. According to the chart, what percentage ofstudents are from Central America? ~ percent.

AsiaEurope

Central America

South America
AfricaQuestion 1: What percentage of students are from Africa?

a. 8 percent.

b. 2 percent.

Question 2: If there are 1,000 students in the school, how many are from Asia? _____

B. Pie charts can also show a ratio. Pie chart B shows the ratio of women to men at thelanguage school. It is 3 to 2.
Useful expressions for pie charts

GenderB

1. The ratio of women to men
is 3 to 2.

40%

Women

60%

Men2. Less than fifty percent of thestudents are ~.
3. According to the chart, what is theratio of men to women? It’s ~ to ~.

Question 3: If there are 1000 students in the school, how many are women?

81│[a] percentage (of ~) -（～の）割合
according to (the chart) - （チャート）によるとCentral America - 中央アメリカ[a] ratio - 比率[a] gender - 性pie chart below shows how American high school students spend their
2. Themoney. After looking at the chart carefully, answer the questions.

3% 2%

2%

6%

21%

6%
7%
18%

8%
8%
9%

10%1Clothes
2Food
3Accessories
4Shoes
5Cars
6Electronics
7Music and Movies
8Video Games
9Concerts
Furniture
10Books
11
Other
12Charts
andGraphs

Source: Piper Jaffray, 2014

1. According to the chart, American high school students spend almost
half of their money on __________, __________, and __________.
2. The yellow area shows the percentage of money spent on __________
3. In the chart, which color can show the percentage of money spent on
karate lessons, travel, etc.? __________
4. The chart suggests that American high school students...
a. don’t care about clothes.
b. aren’t so interested in reading.
c. don’t spend money on entertainment.
5. According to the chart, American high school students spend 30 percentof their money on __________ and __________
6. According to the chart, what is the ratio of accessories to books?
It’s ____ ____ ____[an] accessory - アクセサリー
half - 半分

electronics - 電子器機
entertainment - 娯楽

furniture - 家具

│82

3. Next, let’s look at graphs.
A. Bar graphs are used to compare numbers between two or more things. The bar graphbelow shows the number of Asian women and men at the language school and where
they come from.
womenmen (total = 610 Asian students)

Useful expressions for bar graphs

120120(much)~ is100100(a little / slightly)

higherlower

than...

8080(three times)

6060

At the language school,4040

1. the number of Japanese ~ is much higher
than the number of Japanese ~.

2020

2. the number of Japanese ~ is slightly lower

00

1hi
C.

na

2.

ut
SohK

ea
or
3.

pa
Jan
4.

Taiw

anaTh.
5than the number of South Korean ~.

ndila

3. the number of Thai ~ is three times higher
than the number of Thai ~.

Question 1: Compare the number of Chinese men and Japanese men at the school.

B. Line graphs can be used to show changes over time. The line graph below shows thenumber of students at the language school from 2013 to 2017.
Useful expressions for bar graphs

1000
1000
900
900

The number of students...

800
800

1. decreased sharply from 2013 to 2014.
7007002. increased gradually from 2014 to 2015.

600
600
500
500

3. decreased slightly from 2015 to 2016.
20131201422015
32016
42017
54. increased quickly from 2016 to 2017.

Question 2: What happened from 2014 to 2016? The number of students...

83│

slightly - わずかにincrease (~) -（～を）増やす

decrease (~) -（～を）減少させる
gradually - 次第に

sharply - 急にbar graph below compares how American high school students and their
4. Theparents spend money. After looking at the graph carefully, fill the blanks.
students

parents

3030%

2525%

20%
20

1515%

ChartsandGraphs

10%
105%
50%
0Cl
1.

sa
heto

Source: Derek Thomson, 2013ndShso1e

22.
3id.Veo

3esam
G44dooF.

567

5.

1. The percentage of money spent on clothes and shoes by students is______ ______ ______ that spent by parents.
2. The percentage of money spent on video games by parents is about six______ ______ ______ that spent by students.
3. The percentage of money spent on food by parents is______ ______ ______ that spent on clothes and shoes (by parents).
4. The percentage of money spent on cars by parents is higher than thatspent by students. Which bar represents this? Bar ___5. The percentage of money spent on entertainment by students is______ ______ ______ that spent on clothes and shoes (by students).

represent ~ - ～を表す

│84

line graph below shows how many Japanese students studied abroad, from 1983
5. Theto 2012. After looking at the data carefully, answer the questions.
90000
82945
78151

80000

79455

80023

75586

75156
76464

70000
62324

74551

76492
66833

64284

60138

59468

60000

59923

59460
55145
51295

50000

40000

58060 57501

39258
32609

30000
26893
22798
20000

10000

18066

15246

15485

17926
15335

14297

083 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 00 01 02 03 04 05 06 07 08 09 10 11 12
Source: UNESCO, OECD

1. From 1985 to 1986, the number of students __________ __________
2. From 1999 to 2002, the number of students __________ __________
3. From 2002 to 2003, the number of students __________ __________
4. From 2003 to 2004, the number of students __________ __________
5. Which statement is true?
a. The number of students increased gradually from 1983 to 1988.
b. The number of students was much higher in 2001 than in 2000.
c. The number of students decreased sharply from 2004 to 2011.
6. The data suggests that...
a. more Japanese students studied abroad in the 1980s than in the 1990s.
b. studying abroad became less popular in Japan in the 2000s (two thousands).

c. Compared to 30 years ago, Japanese students are less interested instudying abroad.

85│[a] statement - 意見data - 情報、データ