NCERT solutions for Math - Magic [English] Class 3 chapter 7 - Time Goes On....... [Latest edition]

This is a story with topsy turvy time.

As the sun sets ______ Sumana wakes up. What a lovely evening! ______. She washes her face fast in 2 hours ______  and runs out. She goes straight to the bird’s nest. She has been watching the eggs for the last few months ______.  She was waiting for the baby birds to come out. But before she can blink her eyes, in a week ______ a cat jumps on  to the tree. The mother bird cries loudly and Sumana rushes to shoo away the cat. As the cat jumps, it hits the big green mango. Dhum!...

...In two days ______ it is on the  ground! Oh, how sad! The mango is still not fully ripe. It needed one more year ______  to become sweet.  Suddenly Sumana’s sister calls but - Are you still not hungry? Has your stomach clock gone to sleep? Come and eat hot upma for dinner ______.

Wasn’t that funny? You must have guessed that the coloured words are wrong. Choose the correct word from the box given below and write it next to the wrong word.

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

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

How many of you can speak and stamp at the same time?

Irfan’s mother is twice as old as him. She is also 20 years older than him. Guess the ages of Irfan and his mother.

Look at the birth certificate of bincy.

2/5/2002 shows that Bincy was born on 2 ____, in the year 2002.

Look at the birth certificate of Bincy.

How old will Bincy be on 2 May 2008?

Look at the birth certificate of Bincy.

How old will she be in the year 2052?

Look at the birth certificate of Bincy.

On what date will Bincy be eight years old? Write in numbers

Look at the birth certificate of Bincy.

How many months old was Bincy on 2 August 2002?

Look at the birth certificate of Bincy.

How many years old is Bincy now?

Look at the birth certificate of Bincy.

After how many months of Bincy's birth was the certificate issued?

Look at the birth certificate of Bincy.

What is the registration number of Bincy's certificate?

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. 

Let us look at the calendar for the year 2020.

How many months does a year have?

Let us look at the calendar for the year 2020.

List the months which have 30 days.

Let us look at the calendar for the year 2020.

List the months which have 31 days.

Let us look at the calendar for the year 2020.

How many days are there in the month of February this year?

Let us look at the calendar for the year 2020.

How many days make a week?

Let us look at the calendar for the year 2020.

1. How many weeks are there in July?
2. Is it true for all the months? 

Let us look at the calendar for the year 2020.

In which month did you come to class III?

Let us look at the calendar for the year 2020.

Make a circle on these dates in the Calender:

1. 26th January
2. 14th November
3. 31st December.

Is there something special about these dates?

Fill in the blanks with the correct year:

Which year was it two year back?

Fill in the blanks with the correct year:

Fill in the blanks with the correct year:

Fill in the blanks with the correct year:

Given below are some festivals we celebrate during the year. Look at the calendar (2020) to find the days on which these fall.

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

Which festival comes in the beginning of the year?

Which festival comes at the end of the year?

Here is the calendar for the month of February 2019. Let us mark a square on the calendar and see some magic.

Which is the number in the centre of the square?

How many such lines can you draw?

Add the three numbers on each of these lines. What do you notice?

5 + 13 + 21 = 

6 + 13 + 20 = 

7 + 13 + 19 =

12 + 13 + 14 =

Now look at the calendar of 2020. Also look for the present month and draw any similar square in your notebook. Does the magic work for these?

Is this magic possible on a 10 × 10 number chart? Go to the Chapter ‘Fun with Numbers’ and check.

See if this magic works for other lines which have five numbers. What about five numbers on a slanting line? Try this trick with your family and friends. Can you find other magic patterns in the calendar?

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 second Saturday?

Is the 21^st a Sunday? 

What is the day on the 29^th? What will be the date on the same day next week? 

How many Thursdays are there in this month?

Which months in the calendar (2020) have 5 Sundays?

Is there any other day in any month which comes 5 times?

Can there be 6 Sundays in a month? Why?

Write down the time for each picture. 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. 

Kusum gets up early in the morning.
She brings water from the well.		At six-thirty in the morning.
She cleans her house.
She goes to school.		At eight o'clock.
She is studying in school.
She comes back from school.		1 o'clock in the afternoon.
She takes lunch with her brother and grandmother.
She plays with her friends.		Five-thirty in the evening.
She listens to a story from her grandmother before she sleeps.		9 o'clock at night.