CBSE Class 4 Mathematics: Unit 4 Tick-Tick-Tick NCERT Solutions

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NCERT Solutions PDF Class 4 PDF

This chapter, "Tick-Tick-Tick," from the CBSE Class 4 Mathematics curriculum focuses on understanding and telling time. Students will learn to read analog clocks, identify the hour and minute hands, and interpret the time shown. The unit also explores real-world applications of time, such as sunrise and sunset times, and how these times vary throughout the year. Through practice exercises, students will enhance their ability to represent specific times on a clock face and calculate time intervals. These NCERT Solutions provide clear, step-by-step explanations to help students grasp these concepts, build confidence, and prepare effectively for their exams by mastering time-telling skills.

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Quick info

BoardCBSE
ClassClass 4
SubjectMathematics
Session2026
LanguageEnglish
TypeNCERT Solutions
ChapterUnit-4 Tick-Tick-Tick

Chapter summary

Unit 4, "Tick-Tick-Tick," for Class 4 Mathematics NCERT Solutions covers fundamental concepts of time. It includes exercises on reading analog clocks, identifying correct times shown by friends, and drawing times on clock faces. The unit also touches upon the daily cycle of sunrise and sunset, prompting students to observe variations across months. These solutions offer detailed explanations for each problem, reinforcing the understanding of time measurement and its practical applications.

Learning outcomes

  • Understand how to read time from an analog clock.
  • Identify the hour and minute hands and their positions.
  • Represent given times on a clock face.
  • Compare and identify correct time readings among different options.
  • Recognize that sunrise and sunset times change throughout the year.

Topics covered

Paper topics

  • Reading analog clocks
  • Hour hand and minute hand
  • Telling time to the hour
  • Telling time to the minute
  • Representing time on a clock
  • Sunrise and sunset times
  • Time variations throughout the year
  • Time intervals

Important topics

  • Reading analog clocks accurately
  • Distinguishing hour and minute hands
  • Representing given times on a clock
  • Understanding daily and seasonal time variations

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Questions and Solutions

Question 1

Practice Time Three friends read time from a clock. Who is right?

Cheeku, Bittu, and Pinki are reading times from three different clocks. The times they read are:

Clock 1: Cheeku reads 12:03, Bittu reads 3:00, Pinki reads 7:25.

Clock 2: Cheeku reads 12:15, Bittu reads 5:07, Pinki reads 5:35.

Clock 3: Cheeku reads 3:35, Bittu reads 7:03, Pinki reads 7:15.

Identify which friend is correct for each clock.

Solution:

Let's analyze each clock:

  1. Clock 1: The short hand (hour hand) is pointing directly at 3, and the long hand (minute hand) is pointing directly at 12. This indicates the time is exactly 3:00. Therefore, Bittu is right.
  2. Clock 2: The short hand is slightly past the 5, and the long hand is pointing at the 7. Since each number represents 5 minutes for the minute hand, pointing at 7 means 7 * 5 = 35 minutes. So, the time is 5:35. Therefore, Pinki is right.
  3. Clock 3: The short hand is slightly past the 7, and the long hand is pointing at the 3. Pointing at 3 means 3 * 5 = 15 minutes. So, the time is 7:15. Therefore, Pinki is right.

Answer: For the first clock, Bittu is right (3:00). For the second clock, Pinki is right (5:35). For the third clock, Pinki is right (7:15).

Question 2

Practice Time Show the following times in the clock.

The times to be shown on the clock are:

a) 3:10

b) 6:40

c) 4:45

d) 2:20

e) 3:15

f) 7:35

Solution:

To show these times, we need to position the hour hand (shorter) and the minute hand (longer) correctly on the clock face.

  1. 3:10: The minute hand points to 2 (since 2 * 5 = 10 minutes). The hour hand is slightly past 3.
  2. 6:40: The minute hand points to 8 (since 8 * 5 = 40 minutes). The hour hand is almost at 7, as it moves closer to 7 when it's 6:40.
  3. 4:45: The minute hand points to 9 (since 9 * 5 = 45 minutes). The hour hand is very close to 5, as it moves towards 5.
  4. 2:20: The minute hand points to 4 (since 4 * 5 = 20 minutes). The hour hand is slightly past 2.
  5. 3:15: The minute hand points to 3 (since 3 * 5 = 15 minutes). The hour hand is slightly past 3.
  6. 7:35: The minute hand points to 7 (since 7 * 5 = 35 minutes). The hour hand is halfway between 7 and 8.

(Note: Visual representation of these times on clock faces would be provided in a textbook illustration.)

Question 3

Find Out Do you like sky watching? If yes, then this one should interest you.

a) At what time does the sun rise at your place?

b) When does the sun set?

c) Does the sun rise and set at the same times every day?

d) Look at the newspaper and see the time of sunrise and sunset in different months.

Solution:

This section is about personal observation and understanding daily natural phenomena.

a) Sunrise Time: The time of sunrise varies depending on your location and the time of year. For example, if you live in Delhi, the sun might rise around 7:14 AM in January.

b) Sunset Time: Similarly, the sunset time also varies. In Delhi, for instance, the sun might set around 5:35 PM in January.

c) Same Times Every Day?: No, the sun does not rise and set at the exact same times every single day. The duration of daylight changes throughout the year.

d) Sunrise and Sunset in Different Months: Observing a newspaper or an almanac reveals that sunrise and sunset times change significantly from month to month. For example, in Delhi:

  • In January (1st), sunrise is around 7:14 AM and sunset is around 5:35 PM.
  • In June (1st), sunrise is much earlier, around 5:24 AM, and sunset is much later, around 7:15 PM.
  • This shows that days are longer in summer and shorter in winter.

The table provided in the source shows these variations for New Delhi across different months.

Question 4

Find Out How long will it take the minute hand to move from:

a) 12 to 3?

b) 3 to 7?

c) 6 to 9?

d) 10 to 1?

Solution:

We need to calculate the time taken for the minute hand to move between the given numbers on the clock. Remember that each number represents a 5-minute interval for the minute hand.

  1. From 12 to 3: The minute hand moves past the numbers 1, 2, and 3. This is 3 intervals. Time taken = 3 intervals * 5 minutes/interval = 15 minutes.
  2. From 3 to 7: The minute hand moves past the numbers 4, 5, 6, and 7. This is 4 intervals. Time taken = 4 intervals * 5 minutes/interval = 20 minutes.
  3. From 6 to 9: The minute hand moves past the numbers 7, 8, and 9. This is 3 intervals. Time taken = 3 intervals * 5 minutes/interval = 15 minutes.
  4. From 10 to 1: The minute hand moves past the numbers 11, 12, and 1. This is 3 intervals. Time taken = 3 intervals * 5 minutes/interval = 15 minutes.

Common mistakes

  • Confusing the hour and minute hands.
  • Misinterpreting the position of hands when the minute hand is not exactly on a number.
  • Difficulty in drawing the correct hand positions for a given time.
  • Assuming sunrise and sunset times are constant throughout the year.

Revision tips

  • Practice reading analog clocks at different times.
  • Use a real clock or a drawing to visualize the hand movements for given times.
  • Pay close attention to the difference between the hour hand and the minute hand.
  • Discuss sunrise and sunset times with family to understand daily variations.

Practice MCQs

Q1. In the first clock shown, which friend is correct if the time is 3:00?

Q2. What time is shown on the second clock if Pinki is correct?

Q3. How many minutes does it take for the minute hand to move from 12 to 3?

Q4. If the sun rises at 6:11 AM on April 1st, what time does it set on that day?

Q5. Which time is represented by the hour hand pointing to 7 and the minute hand pointing to 15 minutes past the hour?

Frequently asked questions

What is the main focus of the 'Tick-Tick-Tick' unit in Class 4 Maths?

The main focus is on understanding and telling time using analog clocks, including reading the time, representing it, and exploring concepts like sunrise and sunset.

How do these NCERT Solutions help students?

These solutions provide clear, step-by-step explanations for each problem, helping students understand how to read clocks, solve time-related questions, and reinforce their learning for exams.

What are the key components of reading an analog clock?

Key components are the hour hand (shorter) and the minute hand (longer). Their positions indicate the hour and minutes past the hour, respectively.

Does the unit cover time calculations?

Yes, the unit includes problems that require understanding time intervals, such as how long it takes the minute hand to move between numbers.

Why is it important to know sunrise and sunset times?

It helps students understand the concept of a day, how daylight hours change with seasons, and the practical application of time in daily life.

Important links

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