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Teacher Guide: Telling Time

Learn how to read analog and digital clocks and understand hours, minutes, and seconds.

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Printable worksheet

All practice problems on paper, with a separate answer key.

Worksheet Answer key

Class quiz

10 questions on Time. Students join with a name, you see everyone's score.

For Teachers

Learning Objectives
  • Identify the hour hand and minute hand on an analog clock
  • Read time to the hour and half hour on analog clocks
  • Read time to 5-minute intervals on analog clocks
  • Convert between analog and digital time representations
  • Understand the difference between AM and PM
Prerequisites
  • • Counting by 5s up to 60
  • • Understanding numbers 1-12
  • • Basic addition and subtraction
Discussion Starters
  • 1. What activities do you do at specific times each day?
  • 2. Why do you think we have two different types of clocks (analog and digital)?
  • 3. What would happen if clocks didn't exist? How would people know when to do things?
  • 4. Can you think of places where you see clocks every day?
Common Misconceptions

The hour changes when the minute hand passes 6 (30 minutes)

Remediation: Show with a real clock that the hour hand moves slowly and continuously. The hour only changes when the minute hand completes a full circle back to 12.

On digital clocks, the number after the colon goes up to 99

Remediation: Explain that minutes only go from 00 to 59 (60 values). When minutes reach 60, they reset to 00 and the hour increases by 1.

Differentiation Ideas

For Struggling Students:

  • • Start with only hour times (o'clock) before adding minutes
  • • Use color-coded hands (red for hour, blue for minute)
  • • Practice counting by 5s with manipulatives before clock reading

For On-Level Students:

  • • Read times to 5-minute intervals
  • • Convert between analog and digital representations
  • • Solve elapsed time problems within an hour

For Advanced Students:

  • • Calculate elapsed time across hours
  • • Work with 24-hour (military) time
  • • Solve multi-step time word problems
Standards Alignment
  • 1.MD.B.3 (CCSS.MATH.CONTENT.1.MD.B.3)

    Tell and write time in hours and half-hours using analog and digital clocks

  • 2.MD.C.7 (CCSS.MATH.CONTENT.2.MD.C.7)

    Tell and write time from analog and digital clocks to the nearest five minutes, using a.m. and p.m.

Lesson Resources
  • visualInteractive Clock

    Students manipulate clock hands to show different times

  • activityDaily Schedule Match

    Match activities to times on analog and digital clocks

  • worksheetClock Reading Practice

    Read times from various clock faces

Lesson Content

Everything students see: definition, examples, common mistakes, applications. Tap to open.

Definition

Telling time means reading a clock to know what hour and minute it is.
There are two types of clocks:
  • Analog clocks have a round face with numbers 1-12 and two hands
  • Digital clocks show time with numbers like 3:45
Key parts of an analog clock:
  • The hour hand (short hand) points to the hour
  • The minute hand (long hand) points to the minutes
  • Some clocks have a second hand that moves quickly
Time units:
  • 1 hour = 60 minutes
  • 1 minute = 60 seconds
  • 1 day = 24 hours

Worked Examples

The hour hand points to 3. What hour is it?
1

Find the hour hand

The hour hand is the SHORT hand → Short hand identified
2

See where it points

It points directly at the number 3 → Points to 3
3

Read the hour

When the hour hand points to 3, the hour is 3 → 3 o'clock

Common Mistakes

Confusing the hour and minute hands

Why it's wrong: Both hands look similar and move around the clock face.

Correct: Remember: the SHORT hand is for hours, the LONG hand is for minutes. Think 'S' for Short and Small numbers (1-12 hours).

Reading minutes as the number shown, not multiplied by 5

Why it's wrong: Students see the minute hand at 4 and say '4 minutes' instead of '20 minutes'.

Correct: Each number on the clock represents 5 minutes. Minute hand at 4 means 4×5=204 \times 5 = 20 minutes.

Saying the wrong hour when the hour hand is between numbers

Why it's wrong: When it's 7:45, the hour hand is close to 8, so students say 8:45.

Correct: The hour doesn't change until the minute hand reaches 12. If the hour hand hasn't passed the next number, use the smaller number.

Why It Matters

Telling time is essential for daily life:
  • School: Knowing when class starts and ends
  • Transportation: Catching the bus or train on time
  • Activities: Meeting friends, sports practice, appointments
  • Cooking: Timing recipes and meals
  • Sleep: Knowing bedtime and wake-up time
Without being able to tell time, you would miss important events and activities!

Real World Applications

School Schedule

Students need to read clocks to know when classes start and end.

Example:

If math class starts at 9:30 and lasts 45 minutes, it ends at 10:15.

1Try It Yourself

Your science class starts at 2:15 and lasts for 50 minutes.

What time does science class end?

Step 1: Write the mathematical expression

Add 50 minutes to 2:15:

Catching Transportation

Buses and trains run on schedules, so reading time accurately is important.

Example:

If the bus comes at 8:20 and it takes 10 minutes to walk to the stop, you should leave by 8:10.

2Try It Yourself

Your train leaves at 4:45. It takes 25 minutes to walk to the station.

What is the latest time you should leave home?

Step 1: Write the mathematical expression

Subtract 25 minutes from 4:45:

Key Takeaways

  • 1Analog clocks have two hands: short (hour) and long (minute)
  • 2Each number on a clock represents 5 minutes for the minute hand
  • 31 hour = 60 minutes, 1 minute = 60 seconds
  • 4AM is for morning (midnight to noon), PM is for afternoon and evening (noon to midnight)
  • 5Digital clocks show hours:minutes (like 3:45)

Frequently Asked Questions

Why do clocks only show numbers 1-12 if there are 24 hours in a day?

Most clocks use a 12-hour system, cycling twice per day. We use AM (ante meridiem = before noon) for midnight to noon, and PM (post meridiem = after noon) for noon to midnight. Some clocks and many digital devices use 24-hour time where 13:00 = 1:00 PM.

What does 'o'clock' mean?

'O'clock' is short for 'of the clock.' We say it when the minute hand is at 12 (exactly on the hour), like 3 o'clock means 3:00.

Why is the minute hand longer than the hour hand?

The minute hand is longer so it's easier to read the exact minute. Since there are more minute marks to point to (60) than hour marks (12), a longer hand helps us see exactly where it's pointing.

Glossary

Hour hand
The short hand on an analog clock that points to the hour
Minute hand
The long hand on an analog clock that points to the minutes
Second hand
The thin hand that moves quickly, counting 60 seconds per minute
AM
Ante meridiem - the time from midnight (12:00 AM) to just before noon
PM
Post meridiem - the time from noon (12:00 PM) to just before midnight
Quarter past
15 minutes after the hour (e.g., quarter past 3 = 3:15)
Half past
30 minutes after the hour (e.g., half past 3 = 3:30)
Quarter to
15 minutes before the next hour (e.g., quarter to 4 = 3:45)

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