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NCERT
SOLUTIONS
CLASS - 4th
aglase .co
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Class : 4th
Subject : Math
Chapter : 4
Chapter Name : Tick Tick Tick
Q1 Three friends read time from a clock. Who is right?
Answer. Pinky is right.
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Q2 Show the following times in the clock:
Answer. (i)
(ii)
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(iii)
(iv)
(v)
(vi)
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Q3 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) Dose the sun rise and set at the same times every day?
Answer. (a) The sun rises at 5:15 a.m.
(b) The sunsets at 6:15 p.m.
(c) No, The sun does not rises and sets at the same time everyday.
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Q1 How long will it take the minute hand to move from
Answer. (a) Minute hand moves from 7 to 10
(b) Minute hand moves from 8 to 12.
(c) minute hand moves from 1 to 3.
(d) Minute hand moves from 2 to 9.
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Q2 Draw where the hands will be:
Answer. (a)
(b)
(c)
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(d)
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Q3 (a) How long does your school assembly take? _________
(b)How long is your lunch break? _________
(c) How long is your games period? _________
(d) Is it the same as all the other periods? _________
Answer. (a) it takes 20 minutes.
(b) Our lunch break is for 30 minutes.
(c) it is about 35 minutes.
(d) No, all are not the same.
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Q4 How many minutes can these activities take? Make a guess and then check at home.
Answer. (a) about 4 minutes.
(b) about 3 minutes.
(c) about 10 minutes.
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Q1 In one minute, how many times can you —
a) Snap your nger _______________
b) Skip a rope _______________
c) Jump up and down _______________
d) _______________ _______________
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Answer. (a) 10 times.
(b) 12 times.
(c) 15 times.
(d) 25 times.
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Q2 Here is another challenge for you. How long can you —
a) Speak non-stop _______________
b) Stand on one leg _______________
c) Sing 'Aaaaa....' without a break _______________
Answer. (a) For 2 minute.
(b) For 4 minute.
(c) For 2 minute.
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Q3 How long do you take to —
a) Run a 50 metre race ______________
b) Collect 50 pebbles from the ground ______________
c) Count 1 to 100 ______________
Answer. (a) 4 minutes.
(b) 5 minutes.
(c) 2 minutes.
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Q4 Let's look at a clock again! Solve this one —
a) The minute hand started from '2'. How many minutes will it take to come back to '2' again? _______________
b) What happens to the hour hand? Does it also move? How long will it take to move from one number to the
next?
c) Look around you and list the activities that take about one hour to complete.
1. _________________
2. _________________
3. _________________
4. _________________
5. _________________
Answer. (a) 60 minutes.
(b) in 1 hour.
(c) making food, washing clothes, wiping the oor.
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Q5 How long does it take to cook dinner at home? More than an hour/less than an hour.
Answer. It takes 2 hours and it is more than 1 hour.
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Q6 Which games take less than an hour to nish? __________________________
Answer. Basketball, Table tennis, badminton.
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Q7 How long does a football match take?
Answer. A football match takes 70 minutes excluding interval.
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Q1 Muniya got her rst tooth in September. How many months old was she then? How many months have
passed from March to September? ________
Answer. She got her rst tooth when she was six months old.6 months have passed from March to September.
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Q2 How old was Muniya, when
(a) she rst sat up? _________________
(b) she got her rst tooth? ________________
Answer. (a) When she was eight months old.
(b) when she was six months old.
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Q3 What did she do rst —
1) walking/eating a banana?
2) crawling/standing?
Answer. (a) She ate banana rst.
(b) Crawling.
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Q4 Note the differences between Muniya and Rani's puppy:
Answer.
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Q1 Do all the animals grow at the same speed?
Answer. No, because all have different life cycle.
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Q2 Discuss about the growth of:
(i) a hen (ii) a cow (iii) a bird
Answer. A bird, a hen, a cow
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Q3 Here are the pictures of grandfather posing for a photograph. Who looks the eldest?
To you?
Answer. Grandmother looks elder.
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Q4 How much older is Appu’s grandmother than Rani’s grandfather?
Answer. Appu’s grandfather’s age = 95 years
Rani’s grandfather’s age = 70 years
The age difference between Appu’s grandfather and Rani’s grandfather’ s age = 95 – 70 = 25 years.
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Q5 Will Chuchoo’s grandfather ever grow as old as Appu’s grandfather?
_____________________________________________
Answer. Never.
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Q6 How much younger is Chuchoo rat’s grandfather than Rani’s grandfather?
Answer. Chuchoo rat’s grandfather is younger than Rani’s grandfather = 70 -2= 68 years.
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Q1 Atif wrote his letter on 1/05/06. Do you know how to read the date?
Answer. 1 is the day of the month, 5 is the month (May) of the year, and 6 is the year 2006
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Q2 Now write which dates these stands for:
(a) 5/5/06
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(b) 20/5/06
Answer. (a) 5th May, 2006
(b) 20th May, 2006
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Q3 Write these dates in numbers.
(a) 1 June 2006
(b) 30 May 2006
(c) 10 August 2007
Answer. (a) 1/06/1006
(b) 30/05/2006
(c) 10/08/2007
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Q4 How long did it take the letter to reach from Ajmer to Nagpur?
Answer. A letter took 6 days to reach from Ajmer to Nagpur.
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Q5 How many days will Atif spend at his Nani’s place?
Answer. Nitin will spend 20 days at his Nani’s place.
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Q6 Which other long holidays do you get in your school? Fill the table.
Answer.
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Q7 On 15 May 2006 Chandra went to a shop to buy butter. He checked the packet to
see if this butter was safe to eat. It was written on the packet- Best before 180 days from
(a) In which month was the butter packed?
(b) Which month will it be 180 days after 15/01/06?
(c) Can Chandra eat it on 15th May 2006?
(d) Do you ever check the date of packing of the things you buy? Have you seen
Medicines which have expiry date written on them? It tells you after which date it is
Unsafe to take the medicine.
Answer. (a) In the month of January.
(b) Counting of 180 days after 15/01/06 i.e. from 16/01/06. Therefore, 14 th July 2006,
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that is 14/7/06 will be 180 days after 15/01/06.
(c) Yes, Chandra can eat it on 15th May 2006.
(d) Yes, I see always the expiry date on medicines before buy.
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Q1 (a) Which are the other things that come with an expiry date?
On a cough syrup it was written:
Mfg. Date 07/03 (This shows it was made in July 2003).
Exp. Date 07/05 (This shows the month and year till where it is safe to take).
What month and year is written as 07/05?
(b) Would it be safe to take the cough syrup in September 2005?
Answer. (a) 07/05 indicates the month of May.
(b) actually, its expiry date mentioned in the month of May, so, it is not safe to take cough syrup in September
2005.
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Q1 Look at the chart. It tells the difference between your watch and a 24-hours clock . Try to complete it.
Answer.
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Q2 Now can you tell why a 24-hour clock is called so?
Answer. Because it shows the time according to whole day .i.e. 24 hours.
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Q3 Suppose a train leaves at 8:30 at night. The time written on the railway ticket would
Be 20:30 hours. You must have noted the time of sunrise and sunset. Write here using
Am and pm.
Answer. the time of sunrise 5:15 a.m
The time of sunset 6:30 p.m
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Q4 Where have you seen a 24-hour clock being used?
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1. ______________________
2. ______________________
3. ______________________
Answer. I have seen at railway station to show the railway timetable.
I have seen at bus terminal to show time table.
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