Mathematics - Junior Secondary 2 - Plane figures/shapes

Plane figures/shapes

Get it on Google Play
Get it on the Apple App Store
  1. Home
  2. Comprehensive Lesson Plan and Notes
  3. Junior Secondary 2
  4. Plane figures/shapes

TERM: 2ND TERM

WEEK 5

Class: Junior Secondary School 2
Age: 13 years
Duration: 40 minutes of 5 periods
Subject: Mathematics
Topic: Plane Figures/Shapes
Focus: Identifying and understanding the properties of plane shapes

SPECIFIC OBJECTIVES:
By the end of the lesson, pupils should be able to:

  1. Identify plane shapes in their environment.
  2. State the properties of different plane shapes (Square, Rectangle, Parallelogram, Rhombus, Kite).
  3. Recognize different properties like sides, angles, and symmetry.
  4. Relate real-life objects to plane figures.

INSTRUCTIONAL TECHNIQUES:
• Question and answer
• Guided demonstration
• Class discussion
• Visual aids (e.g., shape cutouts, flashcards)
• Group work for identification in the environment

INSTRUCTIONAL MATERIALS:
• Flashcards with plane shapes
• Shape cutouts or models
• Whiteboard and marker
• Worksheets with shape identification exercises

 

PERIOD 1 & 2: Identifying Plane Shapes in the Environment

PRESENTATION:

Step

Teacher’s Activity

Pupil’s Activity

Step 1 - Introduction

Introduces the concept of plane figures and their importance in daily life.

Pupils listen and ask questions.

Step 2 - Explanation

Displays different plane shapes and explains their characteristics.

Pupils observe and note the properties.

Step 3 - Demonstration

Points out examples of plane shapes in the classroom and around the school.

Pupils identify shapes in their surroundings.

Step 4 - Identification

Pupils are asked to identify and name plane shapes found in their environment.

Pupils identify shapes in the classroom and outside.

EVALUATION (5 exercises):

  1. Identify a square in your classroom.
  2. What shape is the blackboard?
  3. Name a real-life object shaped like a rectangle.
  4. Identify a rhombus in your surroundings.
  5. Find an example of a parallelogram outside the classroom.

CLASSWORK (5 questions):

  1. Identify the properties of a square.
  2. List the properties of a rectangle.
  3. Draw a parallelogram and label its sides.
  4. Name a real-life example of a kite shape.
  5. Describe the symmetry of a rhombus.

ASSIGNMENT (5 tasks):

  1. Draw a square and label its properties.
  2. List at least 3 objects in your house shaped like a parallelogram.
  3. Identify a kite-shaped object in nature or your home.
  4. Draw and label a rhombus.
  5. Name 2 shapes that have opposite sides parallel.

 

PERIOD 3 & 4: Properties of Plane Shapes (Square, Rectangle, Parallelogram, Rhombus, Kite)

PRESENTATION:

Step

Teacher’s Activity

Pupil’s Activity

Step 1 - Introduction

Introduces properties of plane shapes.

Pupils listen and take notes.

Step 2 - Explanation

Explains the properties of square, rectangle, parallelogram, rhombus, and kite, focusing on sides, angles, and symmetry.

Pupils follow along and ask questions.

Step 3 - Demonstration

Draws the shapes on the board, labeling their properties (e.g., number of sides, angles).

Pupils take notes and observe.

Step 4 - Practice

Pupils practice drawing and labeling the shapes with properties.

Pupils draw and label the shapes as instructed.

EVALUATION (5 exercises):

  1. Write the properties of a square.
  2. Draw a rectangle and label its sides.
  3. List the properties of a rhombus.
  4. Draw a kite and explain its symmetry.
  5. Identify and label the properties of a parallelogram.

CLASSWORK (5 questions):

  1. Write down the characteristics of a rectangle.
  2. How many sides does a rhombus have?
  3. Draw a parallelogram and label its angles.
  4. Name a real-life object shaped like a square.
  5. State the number of diagonals in a kite.

ASSIGNMENT (5 tasks):

  1. Draw a square and label its properties.
  2. Write the properties of a rectangle in your own words.
  3. Draw a kite and describe its symmetry.
  4. Name a real-life object shaped like a rhombus.
  5. Find an example of a parallelogram in nature and describe its sides.

 

PERIOD 5: Real-life Applications of Plane Shapes

PRESENTATION:

Step

Teacher’s Activity

Pupil’s Activity

Step 1 - Introduction

Explains the real-life relevance of plane shapes (e.g., architecture, design).

Pupils listen and ask questions.

Step 2 - Explanation

Gives examples from architecture, nature, and art to show where these shapes are used.

Pupils observe and take notes.

Step 3 - Drill

Pupils identify plane shapes in real-life scenarios.

Pupils work in groups to present their findings.

Step 4 - Practice

Pupils solve practical problems using properties of plane shapes.

Pupils solve problems individually or in groups.

EVALUATION (5 exercises):

  1. Name a building that uses a rectangular shape in its design.
  2. What plane shape is most commonly used in road signs?
  3. Identify an object in your home that is shaped like a kite.
  4. Describe how the properties of a square are used in a chessboard.
  5. Explain how a parallelogram is used in design patterns.

CLASSWORK (5 tasks):

  1. Identify the shape of a window in your home.
  2. Name a flag that has a parallelogram shape.
  3. Draw a plane shape found in nature.
  4. How are rhombuses used in jewelry design?
  5. Find a real-life example of a square and explain its properties.

ASSIGNMENT (5 tasks):

  1. Find and draw an object shaped like a rectangle.
  2. Name two shapes used in the design of a table.
  3. Find a design that uses multiple plane shapes.
  4. Explain how a rhombus can be used in art.

Identify and describe a plane shape used in construction.