Posted by: p4mristkippgrisda | May 14, 2011

LESSON PLAN 2

LESSON PLAN

oleh: Lestariningsih

SECOND MEETING

SCHOOL                              : Junior High School

SUBJECT                              : Mathematics

CLASS / SEMESTER             : VIII/2

TIME ALLOCATION             : 2 x 40 minutes

A.  Standard Competence

5. Understanding the properties of cube, cuboids, prism, pyramid, their elements and their size

B.  Basic Competence

5.1. Identifying the properties of cube, cuboids, prism, pyramid, their element

C. Learning Objectives

  • Students can identify the face of cube.
  • Students can identify the edge of cube
  • Students can identify the vertex of cube
  • Students can identify the face of cuboids
  • Students can identify the edge of cuboids
  • Students can identify the vertex of cuboids
  • Students can identify the face of prism
  • Students can identify the edge of prism
  • Students can identify the vertex of prism
  • Students can identify the face of pyramid
  • Students can identify the edge of pyramid
  • Students can identify the vertex of pyramid
  • Students can determine the Euler formula in solid figure

D.  Learning Materials

Face, edge and vertex of cube

Face, edge and vertex of cuboids

Face, edge and vertex of prism

Face, edge and vertex of pyramid

E.  Learning Model

Cooperative

      Learning Method

Discussion

Demonstration

Giving Task

Question & Answer

Approach

Pendidikan Matematika Realistik Indonesia (PMRI)

 

  1. F.       Learning Activity

Opening (15 minutes)

  1. Teacher says greeting and makes sure that the students are ready to study.
  2. Students are reminded about cube and cuboids net.
  3. Teacher tells the objectives of learning. Those are students able to identify the face, edge and vertex of cube and cuboids.

Main Activity (45 minutes)

  1. a.      Exploration (15 minutes)
    1. Students are divided to be some groups and each group consists of 2 students.
    2. Each group is given worksheet.
      1. Students identify each figure in worksheet and classify into kinds of solid figure.
      2. Students count the number of face of cube
      3. Students count the number of edge of cube
      4. Students count the number of vertex of cube
      5. Students count the number of face of cuboids
      6. Students count the number of edge of cuboids
      7. Students count the number of vertex of cuboids
      8. Students count the number of face of prism
      9. Students count the number of edge of prism
      10. Students count the number of vertex of prism
      11. Students count the number of face of pyramid
      12. Students count the number of edge of pyramid
      13. Students count the number of vertex of pyramid
        1. b.      Elaboration (20 minutes)
          1. Students discus their work in front of classroom.
          2. Other groups give their responses to the discussion.
        2. Students look for the relationship between face, shape, and vertex of solid figure
    3. c.       Confirmation (10 minutes)
      1. Students determine the Euler’s formula.
      2. Teacher guides students to determine which one is true.

Closing (20 minutes)

  1. Students make conclusion from their learning process that is

The Vertices + Faces is always two more than Edges. You can write this down as a formula:

V – E + F = 2

  1. Students do exercises individually.

G. Learning Sources

  • Mathematics-for junior high school-year 8. Department of National Education 2010
  • Math for Junior High School- 2nd semester grade 8, Erlangga
  • Worksheet
  • Snack box

Palembang, March 31, 2011

Teacher team,

Anton Jaelani

NIM. 20102812007

Lestariningsih

NIM. 20102812008

Principle


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