Mathematics - Primary 5 - Multiplication of fractions

Multiplication of fractions

Term: 1st Term

Week 9: Multiplication of Fractions

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

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

  1. Multiply fractions.
  2. Solve real-life problems involving multiplication of fractions.
  3. Multiply decimals by whole numbers.
  4. Solve quantitative aptitude problems on multiplication of fractions and decimals.

INSTRUCTIONAL TECHNIQUES:

  • Guided practice and demonstration
  • Problem-solving in pairs
  • Visual aids for fraction multiplication

INSTRUCTIONAL MATERIALS:

  • Fraction cards
  • Multiplication worksheets
  • Markers and whiteboard

INSTRUCTIONAL PROCEDURES:

PERIOD 1-2:

Step

Teacher’s Activity

Pupil’s Activity

STEP 1 - INTRODUCTION

Introduce the concept of multiplying fractions (e.g., 1/2 × 1/3 = 1/6).

Pupils observe and take notes.

STEP 2 - DEMONSTRATION

Demonstrate step-by-step how to multiply fractions (multiply numerators and denominators).

Pupils follow the demonstration and try examples.

STEP 3 - PRACTICE

Provide simple multiplication exercises for pupils to practice.

Pupils work on the exercises individually.

EXERCISE:

  • 2/3 × 4/5 = ?
  • 1/2 × 1/4 = ?

PERIOD 3-5:

Step

Teacher’s Activity

Pupil’s Activity

STEP 1 - REAL-LIFE APPLICATION

Provide real-life problems such as multiplying fractions in recipes.

Pupils solve real-life multiplication problems.

STEP 2 - MULTIPLYING DECIMALS BY WHOLE NUMBERS

Explain how to multiply decimals by whole numbers (e.g., 0.5 × 4).

Pupils practice multiplying decimals.

STEP 3 - QUANTITATIVE APTITUDE PROBLEMS

Provide aptitude problems based on the multiplication of fractions and decimals.

Pupils solve aptitude problems.

EXERCISE:

  • 1/3 × 2/5 = ?

0.4 × 6 = ?