1. LESSON PLAN
Level : Junior High School
Subject : Mathematics
Class : IX
Semester : I
Material : Probability
Time Allocation : 2 x 2 x 40 minutes
A. Standard Competence
4.Understanding the probability of simple event
B. Basic Competence
4.2 Determine the probability of simple
C. Indicator
Determine theprobability eachsample pointinthe samplespace of an experiment
Looking forthe probabilityof an event
D. Learning Objective
Student can determine the probabilty an event of tossing coin
Student can determine the probabilty an event of tossing die
Student can determine the probabilty an event in bridge card
E. Material
Probability
F. Learning Model
Cooperative
G. Teaching and Learning Activities
First meeting
a. Introduction
Apperception
Connect the material with the previous material that have been studied before.
Motivation
Teacher explain the learning objective
b. Main Activity

2. Make teams that consist of 3 students
Students is asked to do the worksheet given in team
Teacher helps the student if needed
Teacher ask team randomly to explain their work
c. Closure
Students ask to make reflection
H. Learning Source
Textbook, environment, die, coin, bridge card, numbered card