Class: Junior Secondary School 1 (JSS1, JSS 1)
Term: 1st Term
Week: 6
Age: 12 years
Duration: 45 minutes
Subject: Mathematics
Curriculum Theme: Mathematics
Previous Lesson: Equivalent Fractions in Commodities and Quantitative Problem Solving
Topic: Fractions (Part 3)
Subject Matter: Ordering and conversion of Fractions, Conversion of Fractions to Percentages and Vice Versa, Conversion of Fractions to Decimal and Vice Versa.

Specific Objectives

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

Cognitive Domain:
(a) Arrange fractions in ascending and descending order.
(b) Convert fractions to percentages and percentages to fractions.
(c) Convert fractions to decimals and decimals to fractions.
Affective Domain:
(a) Appreciate the usefulness of converting fractions in real-life situations such as shopping and examinations.
Psychomotor Domain:
(a) Solve exercises involving ordering and conversion of fractions, percentages, and decimals.
Social Domain:
(a) Work in pairs or groups to solve problems related to fractions and conversions.

Reference Materials

The following resources were used in planning this lesson:

9 Years Basic Education Curriculum
Lagos State Unified Scheme of work for Junior Secondary Schools
Math is Fun – “Fractions” (https://www.mathsisfun.com/fractions-menu.html)
Calculator Soup – Fraction to Percent Calculator
Relevant Textbooks

Instructional Materials

The teacher will teach this lesson with the aid of:

Fraction charts and diagrams
Conversion tables (fractions, decimals, percentages)
Flashcards with fraction problems
Whiteboard and markers
Real-life examples such as money, scores, and measurements

Rationale for the Lesson

Fractions, percentages, and decimals are used daily in calculations, shopping, measurements, and statistics; understanding their relationship helps learners apply mathematics in real life.

Prerequisite/Previous Knowledge

Pupils already know the meaning of fractions, how to simplify fractions, and how to find equivalent fractions from previous lessons.

Lesson Content/Board Summary

Fractions

Ordering of Fractions

Ordering fractions means arranging them from smallest to largest (ascending order) or largest to smallest (descending order). To order fractions, they must be compared using common denominators or by converting to decimals.

The following are steps in ordering fractions:

Find the lowest common denominator (LCD) of the fractions.
Rewrite each fraction with the LCD as denominator.
Compare the numerators.
Arrange in ascending or descending order as required.

Conversion of Fractions to Percentages and Vice Versa

A percentage is a fraction expressed out of 100. To convert a fraction to a percentage, multiply the fraction by 100%. To convert a percentage to a fraction, divide by 100 and simplify.

Examples include:

Convert 3/4 to percentage: (3/4 × 100%) = 75%.
Convert 60% to fraction: 60/100 = 3/5.

The following are steps for conversion:

Multiply the fraction by 100 to get a percentage.
Write the percentage over 100 to form a fraction.
Simplify the fraction if possible.

Conversion of Fractions to Decimals and Vice Versa

A decimal is another way of writing fractions. Fractions can be converted to decimals by dividing the numerator by the denominator. Decimals can be converted to fractions by placing the decimal over its place value and simplifying.

Examples include:

Convert 1/2 to decimal: 1 ÷ 2 = 0.5.
Convert 0.25 to fraction: 25/100 = 1/4.

The following are steps for conversion:

Divide numerator by denominator to change fraction to decimal.
Write decimal over its place value to change decimal to fraction.
Simplify where necessary.

Teaching Methods/Instructional Techniques:

Lecture, Discussion, Explanation, Demonstration, Question and Answer, Group Work, Use of Visual Aids

Instructional Procedures

To deliver this lesson, the teacher will adopt the following steps:

Step 1: Introduction

Time: 5 minutes
Teaching Skill: Set Induction
Teacher’s Activity: Teacher recalls previous work on simplifying fractions and equivalent fractions, and asks pupils if they have compared fractions before in real-life situations like sharing food.
Pupils’ Activity: Pupils respond by sharing their experiences of comparing portions.
Learning Point: Pupils are prepared to learn about ordering and converting fractions.

Step 2: Ordering of Fractions

Time: 10 minutes
Teaching Skill: Explanation
Teacher’s Activity: Teacher explains ordering of fractions, writes examples on the board, and demonstrates steps using common denominators.
Pupils’ Activity: Pupils listen, observe, and try simple examples with the teacher.
Learning Point: Pupils learn how to order fractions in ascending or descending order.

Step 3: Conversion of Fractions to Percentages and Vice Versa

Time: 10 minutes
Teaching Skill: Discussion
Teacher’s Activity: Teacher explains percentage as “out of 100” and demonstrates converting fractions to percentages and vice versa with examples.
Pupils’ Activity: Pupils solve examples with teacher guidance.
Learning Point: Pupils understand how to interchange between fractions and percentages.

Step 4: Conversion of Fractions to Decimals and Vice Versa

Time: 10 minutes
Teaching Skill: Demonstration
Teacher’s Activity: Teacher divides numerator by denominator to convert fractions to decimals, and shows how decimals can be written as fractions.
Pupils’ Activity: Pupils attempt conversions with teacher’s guidance.
Learning Point: Pupils understand the link between fractions and decimals.

Step 5: Note-Taking

Time: 5 minutes
Teaching Skill: Explanation
Teacher’s Activity: Teacher dictates or writes the board summary for pupils to copy.
Pupils’ Activity: Pupils copy the notes into their exercise books.
Learning Point: Pupils have a written record of the key points of the lesson.

Step 6: Evaluation/Review

Time: 3 minutes
Teaching Skill: Questioning
Teacher’s Activity: The teacher evaluates the learning by asking the following questions:

Arrange these fractions in ascending order: 1/3, 1/2, 2/5.
Convert 4/5 to percentage.
Convert 0.75 to fraction.
Pupils’ Activity: Pupils answer questions orally and on the board.
Learning Point: Pupils demonstrate mastery of ordering and conversions.

Step 7: Conclusion

Time: 2 minutes
Teaching Skill: Reinforcement
Teacher’s Activity: Teacher summarizes the lesson, highlights the importance of conversions in real life, and encourages practice.
Pupils’ Activity: Pupils listen attentively.
Learning Point: Pupils appreciate the practical usefulness of the lesson.

Home Task: Solve three new exercises on Fractions (Part 3). Show each step and check each answer.

Lesson Keywords

Fraction – a part of a whole written with numerator and denominator
Percentage – a fraction expressed out of 100
Decimal – a way of writing fractions using powers of ten
Denominator – the bottom number of a fraction showing total parts
Numerator – the top number of a fraction showing selected parts

Differentiation

Slower learners are given simpler examples and step-by-step guidance, while faster learners solve more complex conversions and assist peers.

Note for teachers using this lesson plan

Ensure pupils practice both conversions and ordering frequently. Use real-life examples such as money and marks scored to make the lesson practical and relatable.