made by Nurmalia Beladina
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DINAS PENDIDIKAN
SMP NEGERI 2 SEMARANG
Jl. Brigjen Katamso No.14
Telp (024) 8414168 Fax. (024) 8411211
Semarang-50125
Basic of Competence : 1.1
Standard of
Competence:
To understand the properties of operations the
numbers and capable of applying in problem solving.
Basic Competence :
To do the operations of integers and fractions.
Number of Hours : 2
x 40’ (1 meeting)
School : SMP Negeri 2 Semarang
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1 meeting
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Curriculum : KTSP
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Subject :
Mathematics
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Class/Smt:VII / 1
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Time: 2 x 40'
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Subject Material:
INTEGERS
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Teacher: Nurmalia Beladina
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Year : 2012/2013
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Standard of Competence
1. To understand the properties of operations
the numbers and capable of applying in problem solving.
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Basic Competence :
1.1 To do the operations of integers and
fractions.
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Indicator :
·
Understanding
the properties of division of integers accurately.
·
To solve
the operation of integers (division) accurately.
·
Understanding
the least common multiple (LCM) and the greatest common divisor (GCD) with respect each other.
·
To
determine the value of LCM and GCD accurately.
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Objectives:
·
Students
are able to understand the properties of division of integers
accurately.
·
Students
are able to solve the operation of integers (division) accurately.
·
Students
are able to understand the least common multiple (LCM) and the greatest
common divisor (GCD) with respect each
other.
·
Students
are able to determine the value of LCM and GCD accurately.
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Learning method
Lecturing, questioning, discussion, assignment,
and inquiry.
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Learning Model :
- Cooperative
Learning
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Activity 1: Method- tick as applicable
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Using ICT
Game
Discussion
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v
x
v
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Sosiodrama
Observation
Question and aswer
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X
V
V
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Individual
presentation
Group presentation
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X
V
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Assesment activities-tick
as applicable
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Question and answer
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V
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Revision exercise
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X
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Individual learner
review
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X
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Group Presentation
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V
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Observation
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V
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Homework
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V
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Individual
presentation
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X
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Discussion
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V
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Scenario / Teaching
and learning process
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Meeting : ......1........
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Content
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Duration
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Activities
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Character
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Introduction/Opening
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10 minutes
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The teacher come to the class on
time.
1. Greeting.
2. Teacher and students start the lesson by
praying together.
3. Teacher check students attendance.
4. Teacher inform about the topic that will be
studied and its goal:
§
Operation of integers
(division).
§
LCM and GCD
5. Students are given motivation.
6. Apperception
§ Teacher and students discuss homework from
the previous meeting (multiplication of integers) orally or by writing on the
board.
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polite
religious
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Main activity
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60 minutes
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Exploration
1.
Students
learns the materials about operation of integers (division) by paying
attention to the teacher’s slides and teacher’s explanations.
2.
Teacher
explains the material by using good
question such that the student can be active in the lecturing.
Elaboration
1. Teacher gives some questions to the students
while showing the slides and students are given chances to answer by rising
hand. The students that can answer correctly will be given a point.
2. Teacher divides the students become some
groups consist of 4-5 students.
3. Teacher gives group
assignment to students about operation of integers (division), LCM and GCD.
4. The students can discuss with their friends
by respect each other.
5. The students can ask the question if they
have problem in their discussion with courtesy.
6. The students are motivated to solve their
problems accurately.
Confirmation
1.
Teacher
gives chances for the students who want to answer orally or by writing on the
board.
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appreciative
self- goverment,
confidence
cooperative
confidence
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Closing
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10 minutes
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1.
Teacher
asks students to make conclusion.
2.
Teacher
gives appreciation for the active students.
3.
Teacher gives
homework from Mathematics Students Worksheet page 10-11 number 1-6.
4.
Teacher
inform about next materials and asks the students to study it at home.
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confidence
appreciative
responsible,
self-goverment
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Evaluation:
Did all learners
achieve all of the outcomes?
How
did you involve learners?
What
steps did you take to guide and support learners?
What
future improvements can be made of your lesson plan?
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Can be completed after lesson :
Written assessment
Teacher has given the assessment when
on main activities
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Reflection:
Question and aswer
the benefid of material/subject
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Resources:
Directorate
of junior high school development. (2007). Mathematics for Junior High School Year VII Student Book.
Jakarta.
Adinawan, Cholik. 2009. Math for
Junior High School 1st Semester Grade VII. Jakarta: Erlangga.
MGMP RSBI Matematika. (2012). Mathematics
Student Worksheet of RSBI. Semarang : Sarana Ilmu.
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Assessment
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Assessment indicator :
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Techniques
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Instruments
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Students are able to
determine the distribution of sweat gland
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Written test
Performance test
Quis
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Essay
Multiple choice
Matching
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ASSESSMENT.
Answer
these questions clearly.
1.
Do the following divisions!
a.
-75 : (-5)
b.
60 : (-4)
c.
-42 : 7
d.
0 : (-100)
e.
31 : 0
2.
If k = -40, l = 8, and m = 2. Find the value of:
a.
l : m
b.
k : l
3.
Find the LCM and the GCD of 28
and 42!
4.
Find the LCM and GCD of 50, 60,
and 75!
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Minimum
Mastery Creteria of Learning : 80
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Semarang, Agustus 2012
Acknowledgment,
Mathematics Teacher Teacher in Trining
Sumiyati, S.Pd Nurmalia Beladina
NIP. 196503221986012001 NIM. 4101409114
