Mastering Time and Dates Primary 4 Third Term Lesson Notes  Mathematics Week 5

Detailed Lesson Plan Presentation

Subject: Mathematics
Class: Primary 4
Term: Third Term
Week: 5
Topic: Time Measurement and Calendar
Sub-topic: Reading Clocks, Calendar Dates, Converting Time Units
Duration: 60 minutes

Behavioural Objectives

• Students will understand the purpose of time measurement in daily life.
• Students will read and interpret time on analog and digital clocks.
• Students will identify the hour, minute, and second hands on clocks accurately.
• Students will convert hours to minutes and seconds, and vice versa.

Key Words

• Time, Hour, Minute, Second, Analog Clock, Digital Clock, Calendar, Date

Entry Behaviour

• Students can recognize basic numbers and understand the concept of time.

Learning Resources and Materials

• Analog and digital clocks
• Wall calendar
• Flashcards
• Worksheets

Building Background / Connection to Prior Knowledge

• Discuss daily activities that require time (e.g., school, meals, bedtime).
• Show a clock and ask students to identify it.

Embedded Core Skills

• Critical thinking
• Time management
• Basic arithmetic

Learning Materials

• Lagos State Scheme of Work
• Reference Books: Lagos State Mathematics Textbook for Primary 4

Instructional Materials

• Real analog and digital clocks
• Calendar
• Interactive whiteboard

Understanding Time Measurement and Its Importance

1. Why Do We Measure Time? ⏰
• Daily Activities: Helps us know when to wake up, go to school, eat, and sleep.
• Appointments: Ensures we are on time for meetings, classes, and events.
• Planning: Allows us to organize our day and complete tasks efficiently.

Reading and Interpreting Time on Clocks

1. Analog Clock 🕰️
• Hour Hand: The short hand. Shows the hour.
• Example: If the hour hand points to 3, it is 3 o’clock.
• Minute Hand: The long hand. Shows the minutes.
• Example: If the minute hand points to 12, it is the start of a new hour.
• Second Hand: The thin, long hand. Shows the seconds.
• Example: If the second hand points to 6, it is 30 seconds past the minute.
2. Digital Clock ⏱️
• Hour: Shown before the colon (:).
• Example: 2:45 – The hour is 2.
• Minutes: Shown after the colon (:).
• Example: 2:45 – The minutes are 45.

Identifying Clock Hands Accurately

1. Hour Hand 🕛
• Short and moves slowly.
• Shows which hour it is.
• Example: If it points to 4, it is around 4 o’clock.
2. Minute Hand 🕧
• Long and moves faster than the hour hand.
• Shows the number of minutes past the hour.
• Example: If it points to 9, it is 45 minutes past the hour (or quarter to the next hour).
3. Second Hand 🕐
• Thin and moves fastest.
• Shows the number of seconds.
• Example: If it points to 12, a new minute starts.

Converting Time: Hours, Minutes, and Seconds

1. Converting Hours to Minutes 🕒➡️🕧
• 1 hour = 60 minutes.
• Example: 2 hours = 2 x 60 = 120 minutes.
2. Converting Minutes to Seconds 🕧➡️🕠
• 1 minute = 60 seconds.
• Example: 5 minutes = 5 x 60 = 300 seconds.
3. Converting Hours to Seconds ⏳
• 1 hour = 60 minutes, and 1 minute = 60 seconds.
• 1 hour = 60 x 60 = 3600 seconds.
• Example: 3 hours = 3 x 3600 = 10800 seconds.

Practice Time! 📝

• Example 1: What time is it if the hour hand is on 6 and the minute hand is on 12?
• Example 2: Convert 3 hours to minutes.
• Answer: 3 x 60 = 180 minutes.
• Example 3: How many seconds are in 4 minutes?
• Answer: 4 x 60 = 240 seconds.

By understanding these points, you will be able to read and interpret time better and use it in your daily activities! 🕰️📅

Understanding the Purpose of Time Measurement

1. Q: Why do we measure time?
• A: To plan our daily activities, like waking up, eating, and going to school.
2. Q: How does measuring time help us?
• A: It helps us be on time for appointments and organize our day better.

Reading and Interpreting Time on Clocks

1. Q: What is an analog clock?
• A: A clock with a face and hands that move around to show time.
2. Q: What is a digital clock?
• A: A clock that shows time with numbers on a screen.
3. Q: How do we read time on a digital clock?
• A: By looking at the numbers before and after the colon (:).

Identifying Hour, Minute, and Second Hands on Clocks

1. Q: Which hand on an analog clock shows the hours?
• A: The short hand.
2. Q: Which hand on an analog clock shows the minutes?
• A: The long hand.
3. Q: Which hand on an analog clock shows the seconds?
• A: The thin, long hand.

1. Q: If the hour hand is on 3 and the minute hand is on 12, what time is it?
• A: It is 3:00.
2. Q: If the hour hand is on 8 and the minute hand is on 6, what time is it?
• A: It is 8:30.

Converting Hours to Minutes and Seconds

1. Q: How many minutes are in 1 hour?
• A: 60 minutes.
2. Q: How many seconds are in 1 minute?
• A: 60 seconds.
3. Q: How many minutes are in 2 hours?
• A: 120 minutes.
4. Q: How many seconds are in 5 minutes?
• A: 300 seconds.
5. Q: How many seconds are in 1 hour?
• A: 3600 seconds.

1. Q: Why is it important to know how to read a clock?
• A: It helps us know the exact time and stay punctual.
2. Q: Can a clock have more than one hand?
• A: Yes, most analog clocks have three hands for hours, minutes, and seconds.
3. Q: What does the colon (:) on a digital clock do?
• A: It separates the hours from the minutes.
4. Q: What time is shown when the hour hand is on 10 and the minute hand is on 2?
• A: It is 10:10.
5. Q: If you have 3 hours, how many minutes do you have?
• A: 180 minutes.

Evaluation for grade 4 pupils on the topic of time measurement:

1. The purpose of measuring time is to help us plan our _____. a) day
b) food
c) books
d) colors
2. The short hand on an analog clock is the _____ hand. a) minute
b) hour
c) second
d) fast
3. The long hand on an analog clock is the _____ hand. a) hour
b) second
c) minute
d) slow
4. The thin, long hand on an analog clock is the _____ hand. a) hour
b) minute
c) fast
d) second
5. On a digital clock, the hour is shown _____ the colon (:). a) before
b) after
c) above
d) below
6. On a digital clock, the minutes are shown _____ the colon (:). a) before
b) after
c) above
d) below
7. If the hour hand is on 5 and the minute hand is on 12, the time is _____. a) 5:30
b) 5:00
c) 12:05
d) 12:30
8. If the minute hand is on 6, it is _____ minutes past the hour. a) 15
b) 30
c) 45
d) 60
9. 1 hour is equal to _____ minutes. a) 30
b) 45
c) 60
d) 120
10. 1 minute is equal to _____ seconds. a) 30
b) 45
c) 60
d) 120
11. 2 hours is equal to _____ minutes. a) 60
b) 90
c) 120
d) 180
12. 5 minutes is equal to _____ seconds. a) 100
b) 200
c) 300
d) 400
13. If the hour hand is on 3 and the minute hand is on 9, the time is _____. a) 3:15
b) 3:45
c) 9:15
d) 9:45
14. If the second hand is on 12, it is _____ seconds past the minute. a) 10
b) 30
c) 45
d) 0
15. 3 hours is equal to _____ seconds. a) 1800
b) 3600
c) 7200
d) 10800

Step 1: Revision of Previous Topic

• Teacher’s Activity: Review the previous lesson on basic numbers and counting.

Step 2: Introduction of the New Topic

• Teacher’s Activity: Introduce the topic of time measurement and its importance.
• Learners’ Activity: Listen and ask questions.

Step 3: Explaining Analog and Digital Clocks

• Teacher’s Activity: Show analog and digital clocks. Explain the hour, minute, and second hands.
• Learners’ Activity: Identify the hands on the clock and practice reading the time.

Step 4: Reading and Interpreting Clocks

• Teacher’s Activity: Demonstrate how to read time on both types of clocks.
• Learners’ Activity: Practice reading time using flashcards and worksheets.

Step 5: Converting Time Units

• Teacher’s Activity: Explain how to convert hours to minutes and seconds.
• Learners’ Activity: Solve simple problems converting hours to minutes and vice versa.

Step 6: Calendar and Dates

• Teacher’s Activity: Show a calendar and explain how to read dates.
• Learners’ Activity: Identify today’s date and important events on the calendar.

Teacher’s Activities

• Revise previous topics.
• Introduce new concepts with examples.
• Demonstrate how to read clocks and convert time.
• Use real-life examples to explain the calendar.

Learners’ Activities

• Participate in discussions.
• Practice reading times on clocks.
• Answer questions on converting time.
• Identify dates on a calendar.

Assessment

• Observe students’ ability to read time and convert units during activities.
• Provide feedback and correct mistakes.

Evaluation Questions

1. What does the short hand on a clock show?
2. What does the long hand on a clock show?
3. How many minutes are in one hour?
4. How many seconds are in one minute?
5. If the time is 2:30 on a digital clock, what time is it on an analog clock?
6. Convert 2 hours to minutes.
7. What is the date today?
8. How many days are in a week?
9. What is the second hand used for on a clock?
10. How do you read a date on a calendar?

Conclusion

• Teacher’s Activity: Go around the class to check students’ work and provide necessary corrections.
• Learners’ Activity: Complete worksheets and participate in the final review.

References

• Lagos State Scheme of Work
• Lagos State Mathematics Textbook for Primary 4

This lesson plan ensures that students understand the importance of time measurement and can accurately read and interpret time, use calendars, and convert time units effectively.

THIRD TERM PROMOTIONAL EXAMINATION PRIMARY 4 MATHEMATICS

Spread the word if you find this helpful! Click on any social media icon to share