Mathematics - Primary 5 - Percentages

Percentages

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Term: 2nd Term

Week 3

Class: Primary 5
Age: 10 years
Duration: 40 minutes of 5 periods
Date:
Subject: Mathematics
Topic: Percentages

SPECIFIC OBJECTIVES:

At the end of the lesson, pupils should be able to:

  1. Explain the term percentage.
  2. Calculate the ratio of two numbers.
  3. Solve real-life problems related to percentages.
  4. Express a number as a percentage of another number.
  5. Solve quantitative aptitude problems related to percentages.

INSTRUCTIONAL TECHNIQUES:

  • Demonstration
    • Group activities
    • Problem-solving approach
    • Use of teaching aids (charts, real-life examples, etc.)
    • Interactive discussions

INSTRUCTIONAL MATERIALS:

  • Percentage charts
    • Flashcards with percentage questions
    • Markers, whiteboard, and erasers
    • Worksheet for exercises
    • Real-life examples (like discounts, price changes, etc.)

 

INSTRUCTIONAL PROCEDURES:

PERIOD 1 and 2:
PRESENTATION

Step

Teacher’s Activity

Pupil’s Activity

STEP 1 – INTRODUCTION

Introduces the concept of percentages and explains their importance in real life.

Pupils listen and ask questions for clarification.

STEP 2 – EXPLANATION

Explains the formula for calculating percentages and demonstrates it with examples.

Pupils watch and take notes.

STEP 3 - DEMONSTRATION

Demonstrates how to calculate the ratio of two numbers and how percentages are calculated from ratios.

Pupils observe the teacher’s demonstration and practice with their own ratios.

STEP 4

    

NOTE TAKING

Explains the term percentage and shows how to express a number as a percentage of another

Pupils take notes on definitions, formulas, and methods

 

NOTE (On the Board): Percentage Calculation:

  • Percentage = (part / whole) × 100 Example: 25 out of 50 → (25/50) × 100 = 50%
    To calculate the ratio of two numbers, divide the first number by the second.

 

EVALUATION:

  • Ask pupils to calculate the percentage of 25 out of 50, 18 out of 30, and 7 out of 14.

CLASSWORK:

  • Find the percentage of 35 out of 50, 12 out of 20.
  • Solve problems on the board as a group.

ASSIGNMENT:

  • Solve 10 percentage problems, including real-life examples (discounts, price reductions).

CONCLUSION:
The teacher concludes the lesson by praising the pupils for their understanding of percentages and reminds them to practice using percentages in their daily lives.