Mathematics - Primary 5 - Division of fractions

Division of fractions

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Term: 1st Term

Week 10: Division of Fractions

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

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

  1. Divide fractions.
  2. Solve real-life problems involving division of fractions.
  3. Apply the rule of shifting decimal points to the left for division by 10, 100, and 1000.
  4. Divide decimals by whole numbers.
  5. Interpret and solve quantitative aptitude problems related to division of decimals and fractions.

INSTRUCTIONAL TECHNIQUES:

  • Direct instruction and modeling
  • Group work and individual practice
  • Visual aids and concrete examples

INSTRUCTIONAL MATERIALS:

  • Fraction cards
  • Whiteboard and markers
  • Visual aids for shifting decimal points (e.g., decimal chart)

INSTRUCTIONAL PROCEDURES:

PERIOD 1:

Step

Teacher’s Activity

Pupil’s Activity

STEP 1 - INTRODUCTION

Introduce division of fractions by explaining that dividing a fraction by a whole number involves multiplying the reciprocal.

Pupils listen and take notes.

STEP 2 - DEMONSTRATION

Demonstrate dividing fractions (e.g., 1/2 ÷ 1/4 = 1/2 × 4/1 = 2).

Pupils observe and follow along.

STEP 3 - PRACTICE

Provide examples for pupils to practice (e.g., 2/3 ÷ 4/5, 3/4 ÷ 1/2).

Pupils work on problems individually or in pairs.

EXERCISE:

  • 3/4 ÷ 1/2 = ?
  • 5/6 ÷ 2/3 = ?

 

PERIOD 2-3:

Step

Teacher’s Activity

Pupil’s Activity

STEP 1 - REAL-LIFE APPLICATION

Provide real-life examples of dividing fractions (e.g., sharing a cake between a certain number of people).

Pupils solve problems in groups based on real-life scenarios.

STEP 2 - SHIFTING DECIMAL POINTS

Teach how to shift decimal points when dividing by powers of 10, 100, and 1000.

Pupils practice shifting decimal points for different numbers.

STEP 3 - DIVIDING DECIMALS BY WHOLE NUMBERS

Explain and model dividing decimals by whole numbers (e.g., 3.5 ÷ 7).

Pupils work through examples independently.

EXERCISE:

  • 5.4 ÷ 3 = ?
  • 12.8 ÷ 4 = ?

 

PERIOD 4-5:

Step

Teacher’s Activity

Pupil’s Activity

STEP 1 - QUANTITATIVE APTITUDE PROBLEMS

Provide quantitative aptitude problems that involve the division of decimals and fractions.

Pupils solve complex problems involving both fractions and decimals.

STEP 2 - PRACTICE WITH REAL-LIFE SCENARIOS

Present division scenarios from daily life, like distributing money or resources.

Pupils discuss solutions and solve problems in groups.

EXERCISE:

  • 3/5 ÷ 1/2 = ?

0.75 ÷ 0.25 = ?