# NCERT Solutions for Class 3 Math Chapter 7 – Time Goes On

#### Question 1:

Think of many different things that can take different times. Make your table as long as you can.

 Takes minutes Takes hours Takes days a bath to stitch a shirt to knit a sweater to boil milk to set curd to weave a sari a school day for a banana to become ripe

 Takes minutes Takes hours Takes days a bath to stitch a shirt to knit a sweater to boil milk to set curd to weave a sari to fill a bucket of water a school day for a banana to become ripe assembly in school to clean the house to do holiday home work to prepare tea Sun set and sun rise to learn to drive car to switch on the computer to play outstation trip

Disclaimer: The answer may vary from student to student, based on his/her observation. It is highly recommended that the students prepare the answer on their own. The answer provided here is for reference only.

#### Question 1:

Think of some other things, some faster and some slower. Make a long list.

 Takes months to grow wheat (from seed to big plant) to change from summer to winter for a baby to come out of its mother’s stomach

 Takes months to get promoted to next class to prepare for exams to grow 1 year old

Disclaimer: The answer may vary from student to student, based on his/her observation. It is highly recommended that the students prepare the answer on their own. The answer provided here is for reference only.

#### Question 1:

Birth Certificate Look at the birth certificate of Bincy.

(1) 2/5/2002 shows that Bincy was born on 2 ____________, in the year 2002. (2) How old will Bincy be on 2 May 2008? ____________ (3) How old will she be in the year 2052? ____________ (4) On what date will she be eight years old? Write in numbers. ___________ (5) How many months old was Bincy on 2 August 2002? ____________ (6) How many years old is Bincy now? ___________ (7) After how many months of her birth was the certificate issued? (8) What is the registration number of her certificate? __________

(1) 2/5/2002 shows that Bincy was born on 2 May, in the year 2002.

(2) Bincy was born on 2 May, 2002. From 2 May, 2002 to 1 May, 2003, her age will be 1 year From 2 May, 2003 to 1 May, 2004, her age will be 2 years Similarly, from 2 May, 2002 to 1 May, 2008, her age will 6 years (2008 − 2002) Thus, she will be 6 years old on 2 May, 2008.

(3) She was born in the year 2008. Her age in 2052 will be 44 years (2052 − 2008 = 44) So, Bincy will be 44 years old in 2052.

(4) Bincy was born on 2 May, 2002. Year in which she will be 8 years old = 2002 + 8 = 2010 So, on date 2/5/2010, she will be 8 years old.

(5) From May to June, she will be 1 month old. From June to July, she will be 2 months old. From July to August, she will b 3 months old. So, Bincy will be 3 months old in August 2002.

(6) At present, the year is 2014 and her birth year was 2002. So, her age in 2014 = 2014

-2002 = 12 years She is 12 years old in the year 2014.

(7) Bincy was born on 2 May, 2002 and the birth certificate was issued on 5 August, 2002. Now, May is the 5th month of the year and August is the 8th month of the year. So, the number of months after her birth when her certificate was issued = (8

-5) months = 3 (8) Registration number of her certificate is  815/02

#### Question 1:

Find Out When were you born? _________ Write your date of birth in numbers. _________ Do you have a birth certificate? Ask your parents and make one for yourself.

Disclaimer: The answer may vary from student to student. It is highly recommended that the students prepare the answer on their own. The answer provided here is for reference only.

#### Question 1:

Calendar Let us look at the calendar for the year 2006. • How many months does a year have? _____________ • List the months which have 30 days. _____________ ____________________________________________________ • List the months which have 31 days. _____________ ____________________________________________________ • How many days does the month of February have? ___________ • How many days makes a week? ___________ • How many weeks are there in July? ___________ Is it true for  all the months? _____________ • In which month did you come to Class III? • Make a circle on these dates in the calendar: 26th January 14th November 31st December. Is there something special about these dates?

• A year has 12 months.

• Months that have 30 days are April, June, September and November

• The months that have 31 days are January, March, May, July, August, October and December.

• In a non-leap year, February has 28 days whereas in a leap year February has 29 days.

• Seven days make a week.

• There are 4 weeks in the month of July. Yes, it is true for all the months. All months have 4 weeks.

• We came to class 3 in April.

• 26th January

-Republic Day

14th November

-Children’s day

31st December

-Last day of the year

#### Question 2:

Fill in the blanks with the correct year: 2005 2008 2007 2004 2009 2010 1. Which year was it two years back? ___________ 2. In which year were you in Class II? ___________ 3. Which year will be the next year? ___________ 4. Which year will come after 3 years? __________

1. Two years back it was 2004.

2. In 2005, we were in Class II.

3. The next year will be 2007.

4. 2006 + 3 = 2009 After 3 years, 2009 will come.

#### Question 1:

Which Festival comes First?

Given below are some festivals we celebrate during the year. Look at the calendar (2006) to find the days on which these fall.

 Name of the festival Date Day Diwali Pongal Raksha Bandhan Gandhi Jayanti Milad-Ul-Nabi Onam Guru Nanak’s birthday Guru Ravidas’ birthday Christmas Day Bihu October 21 January 14 August 9 October 2 April 11 September 5 November 5 February 13 December 25 April 14

 Name of the festival Date Day Diwali Pongal Raksha Bandhan Gandhi Jayanti Milad-Ul-Nabi Onam Guru Nanak’s birthday Guru Ravidas’ birthday Christmas Day Bihu October 21 January 14 August 9 October 2 April 11 September 5 November 5 February 13 December 25 April 14 Saturday Saturday Wednesday Monday Tuesday Tuesday Sunday Monday Monday Friday

#### Question 2:

Arrange the festivals in the order in which they come in the year.

 1. ______________ 6. ______________ 2. ______________ 7. ______________ 3. ______________ 8. ______________ 4. ______________ 9. ______________ 5. ______________ 10. _____________

Order in which the festivals occur in the year:

 1. Pongal, January 14 6. Onam, September 5 2. Guru Ravidas’ birthday, February 13 7. Gandhi Jayanti, October 2 3. Milad-Ul-Nabi, April 11 8. Diwali, October 21 4. Bihu, April 14 9. Guru Nanak’s birthday, November 5 5. Raksha Bandhan, August 9 10. Christmas Day, December 25

#### Question 3:

Which festival comes in the beginning of the year? ____________________

Pongal comes in the beginning of the year.

#### Question 4:

Which festival comes at the end of the year? __________________

Christmas Day comes at the end of the year.

#### Question 1:

Complete the Calendar for August 2006

Colour all the Sundays in red. On which day does this month end? ___________ Write the number of days in this month. __________ What day is it on 13th August? _________ What is the date on the second Saturday? _________ Is the 21st a Sunday? __________ What is the day on the 29th? What will be the date on the same day next week? _________ How many Thursdays are there in this month? __________

This month ends on Thursday.

There are 31 days in the month of August.

Its a Sunday on 13th August.

On second Saturday, the date is 12/08/2006.

No, 21st is a Monday.

The day on 29th is Tuesday. Date on same day next week is 5/09/2006.

There are 5 Thursdays in this month.

#### Question 2:

Find Out! Which months in the calendar (2006) have 5 Sundays? Is there any other day in any month which comes 5 times? Can there be 6 Sundays in a month? Why?

In 2006, January, April, July, October and December have 5 Sundays.

All the 7 days are coming 5 times in different months in the year 2006.

No, there cannot be 6 Sundays in a month because each month has only 4 weeks in it and there will be 1 Sunday per week.

#### Question 1:

Some things that happened in her life are given below. Mark these on her time line. For example, when she was 5 years old Pedki broke her foot. A is marked at 5 on the time line.

A. Broke her foot B. Lost one goat C. Got married D. Had her fourth child E. First saw a police station F. Learnt to read and write G. Eldest daughter got married

#### Question 2:

Mark on the time line when she was born.

#### Question 3:

In the blank box draw a picture of Pedki as a new born baby.

#### Question 4:

Make your own time line. Ask people around you and mark at least one thing that happened in each year of your life.

Disclaimer: The answer may vary from student to student, based on his/her experience. It is highly recommended that the students prepare the answer on their own.

#### Question 5:

Make time lines of people you admire. These can be from among your family, friends, teachers, etc.

Disclaimer: The answer may vary from student to student, based on his/her experience. It is highly recommended that the students prepare the answer on their own.

#### Question 1:

For some pictures the time is already written and you must draw the hands on the clock. In others you have to write the time shown by the clock.