Class: Primary 6
Term: 2nd Term
Week: 8
Age: 11 years
Duration: 45 minutes
Subject: General Mathematics
Curriculum Theme: Measurement
Previous Lesson: Weight, Units, Conversions and Word Problems.
Topic: TIME
Subject Matter: Timing in minutes and seconds, practical timing of tasks, reading timetables of journeys, estimating travel time from timetables, preparing daily and weekly timetables, quantitative aptitude on time

Specific Objectives

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

Cognitive Domain:

Identify units of time such as minutes and seconds.
Explain how to read information from a timetable.
Estimate travel time for a journey using a given timetable.
Solve quantitative aptitude problems involving time.

Affective Domain:

Appreciate the importance of managing time effectively for daily activities.
Show willingness to plan activities using timetables.

Psychomotor Domain:

Accurately measure the time taken for simple tasks in minutes and seconds.
Construct a simple daily or weekly timetable.

Participate in group activities to solve time-related problems.

Reference Materials

The following resources were used in planning this lesson:

9 Years Basic Education Curriculum for Primary 6 Mathematics
State Unified Scheme of Work for Primary 6 Mathematics
Primary Mathematics for Nigerian Schools, Book 6

Instructional Materials

The teacher will teach this lesson with the aid of:

Charts showing different time units and conversions.
Examples of school, bus, or train timetables.
Stopwatches or clocks.
Textbook and workbook.

Rationale for the Lesson

This lesson helps pupils understand how to measure and manage time, which is an important skill for everyday life. Learning about timetables and time calculations enables pupils to plan their activities and understand schedules around them.

Prerequisite/Previous Knowledge

Pupils are expected to know basic units of time (hours, minutes, seconds) and how to read an analogue and digital clock.

Lesson Content/Board Summary

TIME

Units of Time: Minutes and Seconds

Time is measured in units like hours, minutes, and seconds. The second is a base unit of time, and 60 seconds make 1 minute. Similarly, 60 minutes make 1 hour.

The relationship between these units is:

1 minute = 60 seconds
1 hour = 60 minutes
1 day = 24 hours

Practical Timing of Tasks

Practical timing involves measuring the duration of an activity. This can be done using a stopwatch or a clock.

To time a task:

Start the timer when the task begins.
Stop the timer when the task ends.
Read the elapsed time, usually in minutes and seconds.

Reading and Interpreting Timetables

A timetable is a chart that shows the times at which events are scheduled to happen. Timetables are used for school classes, bus journeys, train schedules, and personal daily planning.

When reading a timetable, focus on:

Departure Time: When a journey or activity starts.
Arrival Time: When a journey or activity ends.
Duration: The total time taken for an activity or journey.

Estimating Travel Time from Timetables

To estimate travel time (duration) from a timetable, subtract the departure time from the arrival time.

Example: A bus leaves station A at 09:00 AM and arrives at station B at 11:30 AM.

Step 1: Identify arrival time: 11:30 AM

Step 2: Identify departure time: 09:00 AM

Step 3: Subtract departure time from arrival time:

11 hours 30 minutes

– 9 hours 00 minutes

———————

2 hours 30 minutes

Answer: The travel time is 2 hours and 30 minutes.

Preparing Daily and Weekly Timetables

A timetable helps to organize and manage activities. To prepare a timetable:

List all planned activities.
Allocate specific start and end times for each activity.
Ensure there are breaks and free time.

Quantitative Aptitude on Time

Quantitative aptitude problems on time involve calculations with different units of time.

Common types of problems include:

Adding or subtracting durations.
Converting between different units of time.
Finding start time, end time, or duration.

Example 1: A student spends 1 hour 40 minutes on homework and 30 minutes reading a book. How much time did the student spend in total?

Step 1: Add the minutes first: 40 minutes + 30 minutes = 70 minutes.

Step 2: Convert the total minutes to hours and remaining minutes: 70 minutes = 1 hour and 10 minutes (since 60 minutes = 1 hour).

Step 3: Add the hours: 1 hour (from homework) + 1 hour (from 70 minutes) = 2 hours.

Answer: The student spent a total of 2 hours and 10 minutes.

Example 2: A train journey takes 3 hours 25 minutes. If the train arrived at 14:10 (2:10 PM), what time did it depart?

Step 1: Subtract the duration from the arrival time. Start with minutes: 10 minutes – 25 minutes. Since 10 is less than 25, borrow 1 hour (60 minutes) from the hours.

Step 2: Convert 14:10 to 13 hours and (10 + 60) = 70 minutes.

Step 3: Subtract the minutes: 70 minutes – 25 minutes = 45 minutes.

Step 4: Subtract the hours: 13 hours – 3 hours = 10 hours.

Answer: The train departed at 10:45 AM.

Solving for different values:

To find the duration: Subtract the start time from the end time.
To find the end time: Add the duration to the start time.
To find the start time: Subtract the duration from the end time.

Teaching Methods/Instructional Techniques

Discussion, Lecture, Demonstration, Question and Answer, Visual Aids

Instructional Procedures

Step 1: Introduction

Time: 5 minutes
Teaching Skill: Set Induction
Teacher’s Activity: The teacher greets the pupils and asks questions about their daily routines, such as “What time do you wake up?” and “How long does it take you to get ready for school?”. The teacher then introduces the topic of time and its importance.
Pupils’ Activity: Pupils respond to the teacher’s questions and listen attentively to the introduction.
Learning Point: Pupils are engaged and understand the relevance of time in their daily lives.

Step 2: Review of Time Units

Time: 5 minutes
Teaching Skill: Explanation/Recall
Teacher’s Activity: The teacher reviews the basic units of time (seconds, minutes, hours) and their conversions, using charts or a clock. The teacher emphasizes that 60 seconds make a minute and 60 minutes make an hour.
Pupils’ Activity: Pupils recall and state the relationships between different units of time.
Learning Point: Pupils reinforce their understanding of time units.

Step 3: Practical Timing of Tasks

Time: 5 minutes
Teaching Skill: Demonstration/Practical Activity
Teacher’s Activity: The teacher demonstrates how to use a stopwatch or clock to time a simple task (e.g., how long it takes to write their name five times). The teacher then guides pupils to perform similar short tasks and measure the time in minutes and seconds.
Pupils’ Activity: Pupils observe the demonstration, then practice timing simple tasks and record their measurements.
Learning Point: Pupils develop practical skills in measuring time.

Step 4: Reading and Interpreting Timetables

Time: 5 minutes
Teaching Skill: Explanation/Illustration
Teacher’s Activity: The teacher displays examples of school timetables or journey timetables (bus/train). The teacher explains how to read information from the timetable, such as departure times, arrival times, and activity durations. The teacher guides pupils to identify specific information from the displayed timetables.
Pupils’ Activity: Pupils observe the timetables, ask questions, and practice identifying information from them.
Learning Point: Pupils learn to interpret information presented in timetables.

Step 5: Quantitative Aptitude on Time

Time: 10 minutes
Teaching Skill: Problem-Solving/Guidance
Teacher’s Activity: The teacher presents a few quantitative aptitude problems involving time, such as calculating duration or finding start/end times. The teacher guides pupils through the steps to solve these problems, emphasizing borrowing and carrying over between hours and minutes.
Pupils’ Activity: Pupils follow the teacher’s examples, ask clarifying questions, and attempt to solve similar problems in their notebooks.
Learning Point: Pupils gain skills in solving mathematical problems related to time.

Step 6: Preparing Daily/Weekly Timetables

Time: 5 minutes
Teaching Skill: Application/Practical Activity
Teacher’s Activity: The teacher explains the importance of personal timetables. The teacher guides pupils to brainstorm activities for a section of their day (e.g., after school) and helps them allocate time slots to create a simple personal timetable.
Pupils’ Activity: Pupils participate in brainstorming and begin to sketch a simple daily timetable in their notebooks.
Learning Point: Pupils learn to apply time management skills by creating personal timetables.

Step 7: Evaluation/Review

Time: 5 minutes

Teaching Skill: Questioning/Assessment

Teacher’s Activity: The teacher evaluates the learning by asking the following questions:

How many seconds are in one minute?
Mention two uses of a timetable.
A bus departs at 10:00 AM and arrives at 12:45 PM. How long was the journey?
List two things to consider when preparing a daily timetable.

Pupils’ Activity: Pupils answer orally and in writing.

Learning Point: Pupils demonstrate understanding of the lesson.

Step 8: Conclusion

Time: 5 minutes
Teaching Skill: Summarization/Assignment
Teacher’s Activity: The teacher summarizes the main points of the lesson, reiterating the importance of time management. The teacher assigns homework, which may include preparing a personal daily timetable or solving additional quantitative aptitude problems from the textbook.
Pupils’ Activity: Pupils listen to the summary, ask any final questions, and copy down the homework assignment.
Learning Point: Pupils consolidate their learning and prepare for independent practice.

Home Task: Solve three new exercises on TIME. Show each step and check each answer.

Lesson Keywords

Time – The indefinite continued progress of existence and events in the past, present, and future regarded as a whole.
Minute – A unit of time equal to 60 seconds.
Second – The basic unit of time.
Timetable – A schedule showing the times at which certain events will take place.
Duration – The length of time that something continues or lasts.
Estimate – To roughly calculate or judge the value, number, quantity, or extent of something.

Differentiation

For struggling pupils, the teacher will provide simpler timetables and more direct quantitative aptitude problems, focusing on basic conversions and calculations. Advanced pupils will be challenged with more complex timetables, multi-step quantitative problems, and encouraged to create detailed weekly timetables for various activities.

Note for teachers using this lesson plan

Ensure that actual examples of timetables (school, bus, or train) are brought to class for practical engagement. Encourage pupils to use real stopwatches or their phone timers for the practical timing activity to make the lesson more interactive and relatable. Emphasize the practical application of time management skills in daily life.