LESSON PLAN

SCHOOL: Junior High School

SUBJECT: Mathematics

CLASS / SEMESTER: VIII/1

TIME ALLOCATION: 7 x 40 minutes

A. Standard Competence

1. To understand algebraic form, function, and straight line equation

B. Basic Competence

1.4. To determine the value of a function

C. Learning Objectives

  • Students are able to calculate the value of a function
  • Students are able to determine the form of a function when the values of a function are known

D. Learning Materials

  • Determining the value of a function

E. Learning Method / Learning Model

  • Experiment
  • Discussion
  • Demonstration
  • Giving Task
  • Question & Answer

Approach

  • Contextual Teaching and Learning
  • Direct Instruction
  • Cooperative Learning
  • Problem Based Instruction

F. Learning Activity

First Meeting / Opening
  • Apperception:
# Teacher and students discuss homework
# Teacher reminds students about algebraic form
Main Activity
a. Exploration :
  • Teacher explains the meaning of the value of a function
  • Teacher explains how to find the value of a function
  • Teacher gives other examples
b. Elaboration :
  • Teacher gives example of the value of the function and solves it with the students
  • Gives some exercises and helps students to do it
c. Confirmation :
  • Gives some exercises and asks students to do in front of class

Closing
  • Teacher guides the students to make conclusion
  • Teacher gives homework

Second Meeting / Opening
  • Apperception:
- Teacher and students discuss homework
- Students show their answer in front of class
- Teacher reminds students about the meaning of the value of a function
Main Activity
a. Exploration :
  • Teacher guides student to find the value of a function
  • Teacher gives exercises
b. Elaboration :
  • Teacher gives example of the value of the function and solves it with the students
  • Gives some exercises and give several times to discuss it
c. Confirmation :
  • Asks some students to write down their answer in front

Closing
  • Teacher guides the students to make conclusion
  • Teacher gives homework

Third Meeting / Opening
  • Apperception:
- Teacher gives some questions about the value of a function
- Asks some students to do in front of class immediately
Main Activity
a. Exploration :
  • Teacher gives questions to determine the form of function if the value is known.
  • Teacher guides the students to find its solution
  • Teacher gives questions:
“ it is given. If f(c)= 7 , find the value of c “
  • Teacher guides the students to find its solution
b. Elaboration :
  • Teacher gives some examples that are similar
c. Confirmation :
  • Teacher asks some students to do in front of class

Closing
  • Teacher guides the students to make conclusion
  • Teacher gives homework

Fourth Meeting
Main Activity
a. Exploration :
  • Teacher gives questions to determine the form of function if the value is known.
  • Teacher guides the students to find its solution
b. Elaboration :
  • Teacher gives some examples that are similar
c. Confirmation :
  • Teacher asks some students to do in front of class

Closing
  • Teacher guides the students to make conclusion
  • Teacher gives homework

G. Learning Sources

  • Student Book Class VIII
  • Worksheet
  • Environment

H. Assessment

Indicator of Attainment / Technique / Type of Instrument / Examples
To calculate the value of a function
To do multiplication, division and powering on algebraic form / Written test
Show the ability / - Worksheet
- Questions in examples and exercises / It is given. If f(c)= 7 , find the value of c
It is given. If f(3)= -7 , find the value of b then write the function formula

Acquired Score

Final Score = ------x Ideal Score = …………….

Maximum Score

Jakarta,2009

Principal of ……………….
(…………………………..) / Mathematics Teacher
(…………………………..)