Mathematics

Introduction

Target audience are secondary one students.

The slides are going to be used to teach students on the topic of statistics. It is for lecturing. They will be used with the project work of past S.1 students. The project will be showed to the students in order to arose their interest.

1. CollectionCollection of data.

2. OrganizationOrganization of data.

3. PresentationPresentation of data.

4. InterpretationInterpretation of data.

There are many ways to present statistical data.

Pictogram

Bar chart

Pie chart

Broken-line graph

Pictogram

Favorite subjects of S.1 students

Math Math

MusicMusic

P.E.P.E.

ScienceScience

represents 10 students

Bar chart

0

10

20

30

40

50

60

70

80

Math Music P.E. Science

Favorite subjects of S.1 students

Subjects

No of stu

den

ts

Pie chart

48

16

76

60Math

Music

P.E.

Science

Favorite subjects of S.1 students

Broken-line graph

01020304050607080

Favorite subjects of S.1 students

Subjects

No of stu

den

ts

1. The following bar chart shows Leon’s examination result in 3 main subjects.

0 20 40 60 80 100

Chinese

English

Maths

Marks

A. In which subject did he get the highest mark?

B. In which subject did he get the lowest mark?

C. How many subject(s) was/were above 70?

ChineseChinese

EnglishEnglish

OneOne

Exercises

2. The average temperature of Jan to Jun in a certain year in a city is shown in the following table:

MONTH JAN FEB MAR APR MAY JUN

Temp (oC) 12.0 13.5 18.0 22.5 24.7 26.4

0

5

10

15

20

25

30

Jan Feb Mar Apr May Jun

Draw a broken-line graph.

Month

Tem

peratu

r

e