English Education Study Program English Department
Faculty of Languages and Arts
Semarang State University 2013
LESSON PLAN
Subject
: Math
Grade/Semester
: 7/2
Topic
: Triangle
Meeting
: 10
Time Allocation
: 15 minutes
I. Standard of Competence
6. Memahami konsep segi empat dan segitiga serta menentukan ukurannya
II. Basic Competence
6.1 Mengidentifikasi sifat-sifat segitiga berdasarkan sisi dan sudutnya
III. Indicators
1. Identifying the characteristics of triangle 2. Identifying kinds of triangle 3. Pronouncing some terms related to triangle 4. Mentioning the meaning of terms related to triangle 5. Using the terms related to triangle in sentences.
IV. Learning Objectives
a. Content Objectives At the end of study, 1. Students are able to identify the characteristics of triangle. 2. Students are able to identify kinds of triangle. b. Language Objectives At the end of study, 1. Students are able to pronounce some terms related to triangle 2. Students are able to understand the meaning of terms related to triangle.
3. Students are able to use the terms related to triangle in sentences
Character Education
a. Confidence b. Cooperation c. Respect d. Diligence
V. Learning Material
1. Examples triangle in daily life 2. Explanation about characteristics and kinds of triangle 3. Example of sentences using terminologies dealing with triangle
Right triangle: /ˌraɪtˈtraɪ.æŋ.gl / (Segitiga siku-siku)
Has a right angle (90°)
Combining the Names Sometimes a triangle will have two names, for ex ample: Right Isosceles Triangle: /ˌraɪt aɪˌsɒs. ə l.iːzˈtraɪ.æŋ.gl /
(Segitiga siku-siku sama kaki)
It has a right angle (90°), and two equal angles
TERMINOLOGIES
Triangle
/ˈtraɪ.æŋ.gl /
(Segitiga)
Vertices
/və:r tə’si:s/
(Titik sudut)
Side
/saɪd/
(Sisi)
Angle
/ˈæŋ.gl /
(Sudut)
Degree
/dɪˈgriː/
(Derajat)
Scalene triangle
/ˌskeɪ.liːnˈtraɪ.æŋ.gl /
Isosceles triangle
/aɪˌsɒs. ə l.iːzˈtraɪ.æŋ.gl /
(Segitiga sama kaki)
Equilateral triangle
/ˌiː.kwɪˈlæt. ə r. ə l ˈtraɪ.æŋ.gl /
(Segitiga sama sisi)
Acute triangle
/əˈkjuːt ˈtraɪ.æŋ.gl /
(Segitiga lancip)
Obtuse triangle
/ɑː bˈtuːsˈtraɪ.æŋ.gl /
(Segitiga tumpul)
Right triangle
/ˌraɪtˈtraɪ.æŋ.gl /
(Segitiga siku-siku)
Right Isosceles Triangle
/ˌraɪt aɪˌsɒs. ə l.iːzˈtraɪ.æŋ.gl /
(Segitiga sembarang)
Language Material
A triangle has three vertices, three sides, and three angles
The sum of three angles equals 180°
(Segitiga siku-siku sama kaki)
A scalene triangle has no equal angles and sides
Right triangle has an angle of 90
c. Methods
1. Lecturing 2. Presentation 3. Group discussion 4. Questions and answers 5. Numbered-heads Together
d. Learning Activities
A. Opening Learning Activities 1.
Time (minute)
Students respond the teacher’s greeting and checking attendance
2.
The teacher mentions the objectives of the study
3.
Students
2’ respond
the
question
and
explanation given by teacher related to the material that will be given.
B. Main Activities
Teacher’s Activities 1. Teacher explains about
Students’ Activities
Time (Minute)
1. Students are listening to
characteristics and kinds of
teacher’s explanation about
triangle.
triangle.
2. Teacher asks the students to make groups and do an activity
10’
2. Students match the pictures of
triangles
with
the
in group.
characteristics.
3. Teacher asks students to count
3. Students do number-head
and do number-head together 4. Teacher instructs and observes
together 4. Each group tries to answer
students activities
each question given.
6. Teacher checks the students’ work,
gives
5. The group which answers
positive
reinforcement and comment
the most will be the winner and given some reward.
about the activities
C. Closing
Activities
Time (Minute)
1. Students are asked if they have some problems and difficulties in the lesson. 2. Students are evaluated generally to know the students’ competence or the students’ ability of the material. 3. Students tell what they have learned and conclude the material 4. Students are given assignment related to the material. 5. Students are given some positive reinforcements based on today’s work. 6. Students answer teacher’s greeting.
e.
Learning Media and Sources
1. Laptop, LCD 2. Illustration/pictures 3. Power point slides 4. Internet
f.
Assessment
1. Spoken Test
3’
2. Written Test
Indicators o
Technique
Identifying the
Spoken test
characteristics triangle
Form
Individual
Instrument o
and group
Mention the characteristics of triangle!
tasks o
Identifying triangle
kinds
of Spoken test
Individual and group
o
What is the name of this triangle?
tasks
Instrument
Group activity: Match the triangle given to its name, and its characteristics! (The column will be cut into pieces)
Scalene triangle
Isosceles triangle
No equal sides
No equal angles
Two equal sides
Two equal angles
Three equal sides
Three equal angles, always
Equilateral triangle
60°
Acute triangle
Each angle is less than 90°
Obtuse triangle
Has an angle more than 90°
Right triangle
Has a right angle (90°)
Number-head together: 1. Mention two characteristics of triangle! 2. Mention three kinds of triangles based on its sides! 3.
