Mathematics - Primary 4 - Money

Money

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Term: 2nd Term

Week: 7

Class: Primary 4
Age: 9 years
Duration: 40 minutes of 5 periods
Date:
Subject: Mathematics
Topic: Money

SPECIFIC OBJECTIVES:

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

  1. ) Convert Naira to Kobo and vice versa.
  2. ) Calculate the sum and difference of money.
  3. ) Differentiate between profit and loss.
  4. ) Solve real-life problems on profit and loss.
  5. ) Solve quantitative reasoning problems involving money.

INSTRUCTIONAL TECHNIQUES: Explanation, class discussion, hands-on activities, problem-solving.
INSTRUCTIONAL MATERIALS: Money charts, flashcards, board, worksheets.

INSTRUCTIONAL PROCEDURES

PERIOD 1 and 2:

PRESENTATION

TEACHER’S ACTIVITY

PUPIL’S ACTIVITY

STEP 1 – INTRODUCTION

Introduces the concept of money, explaining that Naira is divided into Kobo.

Pupils listen and participate in a brief discussion about money.

STEP 2 – EXPLANATION

Demonstrates how to convert Naira to Kobo and vice versa. Example: 1 Naira = 100 Kobo.

Pupils practice converting Naira to Kobo and vice versa.

STEP 3 – DEMONSTRATION

Solves problems converting Naira to Kobo and Kobo to Naira using examples on the board.

Pupils solve similar conversion problems on their own.

STEP 4 – NOTE TAKING

Pupils take notes on the conversion rules (1 Naira = 100 Kobo).

Pupils write down the conversion methods in their notebooks.

NOTE:

  • 1 Naira = 100 Kobo.
  • Example: Convert 3 Naira 50 Kobo to Kobo: 3 Naira = 300 Kobo, so 3 Naira 50 Kobo = 350 Kobo.

EVALUATION:

  1. Convert 5 Naira to Kobo.
  2. Convert 200 Kobo to Naira.

CLASSWORK:

  1. Convert 2 Naira 75 Kobo to Kobo.
  2. Convert 500 Kobo to Naira.

ASSIGNMENT:

  1. Convert 7 Naira 25 Kobo to Kobo.
  2. Convert 750 Kobo to Naira.

 

PERIOD 3 and 4:

PRESENTATION

TEACHER’S ACTIVITY

PUPIL’S ACTIVITY

STEP 1 – INTRODUCTION

Recaps the concept of money conversion and introduces the idea of calculating sums and differences of money.

Pupils listen and participate in a brief recap.

STEP 2 – EXPLANATION

Demonstrates how to calculate the sum and difference of money. Example: 5 Naira 50 Kobo + 3 Naira 25 Kobo = 8 Naira 75 Kobo.

Pupils practice adding and subtracting amounts of money.

STEP 3 – DEMONSTRATION

Solves problems on adding and subtracting money, focusing on proper handling of Naira and Kobo.

Pupils follow along and solve similar problems in pairs.

STEP 4 – NOTE TAKING

Pupils write down how to add and subtract amounts of money, ensuring they line up Naira and Kobo values correctly.

Pupils take notes in their notebooks.

NOTE:

  • When adding or subtracting money, ensure that Naira and Kobo are properly aligned.
  • Example: 6 Naira 50 Kobo + 3 Naira 20 Kobo = 9 Naira 70 Kobo.

EVALUATION:

  1. Add: 4 Naira 30 Kobo + 2 Naira 70 Kobo.
  2. Subtract: 5 Naira 90 Kobo – 3 Naira 40 Kobo.

CLASSWORK:

  1. Add: 3 Naira 50 Kobo + 4 Naira 75 Kobo.
  2. Subtract: 6 Naira 20 Kobo – 2 Naira 10 Kobo.

ASSIGNMENT:

  1. Add: 2 Naira 40 Kobo + 1 Naira 60 Kobo.
  2. Subtract: 9 Naira 80 Kobo – 4 Naira 30 Kobo.

 

PERIOD 5:

PRESENTATION

TEACHER’S ACTIVITY

PUPIL’S ACTIVITY

STEP 1 – INTRODUCTION

Introduces the concepts of profit and loss, explaining how these are related to buying and selling.

Pupils listen and ask questions.

STEP 2 – EXPLANATION

Defines profit and loss:

  
  • Profit = Selling price – Cost price (when selling price > cost price).
  • Loss = Cost price – Selling price (when selling price < cost price). | Pupils take notes and ask questions. | | STEP 3 – DEMONSTRATION | Demonstrates how to calculate profit and loss using examples:
  • Example 1: Selling price = 150 Naira, Cost price = 100 Naira → Profit = 150 Naira – 100 Naira = 50 Naira.
  • Example 2: Selling price = 80 Naira, Cost price = 100 Naira → Loss = 100 Naira – 80 Naira = 20 Naira. | Pupils practice calculating profit and loss in pairs. | | STEP 4 – NOTE TAKING | Pupils take notes on calculating profit and loss. | Pupils write down the formulas and examples. |

NOTE:

  • Profit is when the selling price is higher than the cost price.
  • Loss is when the selling price is lower than the cost price.

EVALUATION:

  1. If the cost price of a shirt is 200 Naira and it is sold for 250 Naira, what is the profit?
  2. If a book is bought for 150 Naira and sold for 120 Naira, what is the loss?

CLASSWORK:

  1. Calculate the profit: Cost price = 80 Naira, Selling price = 100 Naira.
  2. Calculate the loss: Cost price = 500 Naira, Selling price = 450 Naira.

ASSIGNMENT:

  1. Calculate the profit: Cost price = 200 Naira, Selling price = 250 Naira.

Calculate the loss: Cost price = 300 Naira, Selling price = 280 Naira.