Students can use Joyful Mathematics Class 2 Solutions Chapter 1 A Day at the Beach (Counting in Groups) to explore alternative methods of solving problems.

## Joyful Mathematics Class 2 NCERT Solutions Chapter 1 A Day at the Beach (Counting in Groups)

Look at the above (see NCERT Textbook, page 1) picture. Count and write the number of objects given below.

Question 1.

Coconuts

Answer:

27

Question 2.

Boats

Answer:

12

Question 3.

Children

Answer:

6

Question 4.

Oranges

Answer:

20

Let us Do (Page 2):

A. Look at the shops shown in the picture and fill in the blanks.

i. There are __________ necklaces of shells with __________ shells in each necklace.

Answer:

There are 10 necklaces of shells with 10 shells in each necklace.

ii. There are _________ groups of balloons with __________ balloons in each group and __________ loose balloons.

Answer:

There are 6 groups of balloons with 4 balloons in each group and 2 loose balloons.

iii. There are ______ bunches of bananas with _______ bananas in each bunch and loose bananas.

Answer:

There are 6 bunches of bananas with 12 bananas in each bunch and 4 loose bananas.

B. Surbhi has collected some seashells. She wants to help her mother in making bracelets and necklaces.

C. Surbhi has made __________ groups of shells with ______ number of shells in each group for her bracelets.

Answer:

Surbhi has made 10 groups of shells with 5 number of shells in each group for her bracelets.

D. Her mother has made ___________ groups of shells with ___________ number of shells in each group for her necklaces.

Answer:

Her mother has made 5 groups of shells with 10 number of shells in each group for her necklaces.

Let us Think (Page 3):

List out the objects that come in packs of ten.

Answer:

A. Pencils

B. Biscuits

C. Toffees

Tasty Chikoos !

Manoj is helping his father in selling chikoos that ha has arranged in the trays.

There are ____________ chikoos in one tray.

Answer:

There are 10 chikoos in one tray.

How many chikoos are there in total? ____________

Answer:

How many chikoos are there in total? 80

Now help Manoj in placing all the chikoos in the trays for selling.

A. 25 chikoos : ______ trays of ten chikoos and _________ chikoos.

Answer:

5 chikoos : 2 trays of ten chikoos and 5 chikoos.

B. 43 chikoos : ______ trays of ten chikoos and _________ chikoos.

Answer:

43 chikoos : 4 trays of ten chikoos and 3 chikoos.

C. 35 chikoos : ______ trays of ten chikoos and _________ chikoos.

Answer:

35 chikoos : 3 trays of ten chikoos and 5 chikoos.

D. 58 chikoos : ______ trays of ten chikoos and _________ chikoos.

Answer:

58 chikoos : 5 trays of ten chikoos and 8 chikoos.

Let us Match (Page 4) :

Answer:

Fun with Blocks and Strips :

Can you tell how many blocks are there in this block stick?

1 block stick = _______ blocks

Answer:

1 block stick = 10 blocks

Can you tell how many units are there in this ten strip?

1 ten strip = ________ units

Answer:

1 ten strip = 10 units

Let us Do (Page 5) :

Answer:

Complete the below table.

Answer:

Let us Make 100! (Page 6) :

Answer:

Let us Think (Page 8) :

Complete the following :

Solution:

Draw tens() and ones () cards and fill in the blanks.

Answer:

NCERT Textbook, Page 10 – 11

Question.

Which is less 27 oranges or 72 oranges? Why?

Answer:

27 oranges are less. Because in 27 there are 2 tens while in 72 there are 7 tens.

Fill in the blanks with more or less.

A. 67 chikoos are ______ than 76 chikoos.

Answer:

67 chikoos are less than 76 chikoos.

B. 53 shells are ______ than 35 shells.

Answer:

53 shells are more than 35 shells.

Fill in the blanks.

A. ______ is more than 20.

Answer:

29 is more than 20.

B. _____ is less than 41.

Answer:

39 is less than 41.

C. ______ is less than 76.

Answer:

53 is less than 76.

D. 49 is more than _____.

Answer:

49 is more than 42.

E. 25 is less than _____.

Answer:

25 is less than 29.

F. ______ is less than 2.

Answer:

1 is less than 2.

G. 36 is more than _____.

Answer:

36 is more than 30.

H. _____ is more than ______.

Answer:

2 is more than 1.

Flash Card Game:

A. Make flash cards of numbers from 0 to 9. Make the desired number according to the rules given below by placing these cards appropriately at tens and ones place..

i. A number greater than 50.

ii. A number less than 30.

iii. A number between 47 and 59.

iv. Which is the smallest two-digit number you can make?

v. Which is the largest two-digit number you can make? Why do you think that the number you made is the largest?

Answer:

Tens | Ones | |

(i) 58 | 5 | 8 |

(ii) 26 | 2 | 6 |

(iii) 49 | 4 | 9 |

(iv) 10 | 1 | 0 |

(v) 99 | 9 | 9 |

(We make 99. After 99, 100 comes which is 3-digit number.)

B. Choose any two flash cards and make a two-digit number. Now swap these flash cards to get another number and find out whether it is bigger or smaller than the previous number. How will you get the largest number using same digits?

Answer:

Largest number using same digit =

Mark by Passing the Path :

From the largest number, try to reach the smallest one in decreasing order by passing through each and every number atleast once.

Answer:

Play with Numbers (Page 13) :

Who am I?

A. I am the largest two-digit number.

Answer:

99

B. I am the largest two-digit number where no digit is repeated.

Answer:

98

C. I am the smallest two-digit number.

Answer:

10

D. I am the smallest two-digit number, my digits are repeated.

Answer:

11

E. I am the smallest two-digit number with 3 at the tens place.

Answer:

30

F. I am the largest two-digit number with 2 at the ones place.

Answer:

92

Make your own such questions.

Vallam Kali (Page 14) :

In Kerala, Onam is celebrated through a famous snake boat race called as vallam kali. The race has nearly come to an end.

Please see the picture in NCERT Textbook.

A. Which colour boat came first in the race?

Answer:

Red

B. Which colour boat is likely to come third?

Answer:

Yellow

C. At which positions are blue and green boats?

Answer:

Fourth

D. Write the position of pink and orange boats on the basis of the picture.

Answer:

Second Fifth

Read the calendar (see NCERT Textbook, page 14) and answer the following questions.

A. Onam will be celebrated on which day of the month?

Answer:

Tuesday

B. When is the Independence day celebrated?

Answer:

15

C. Raksha Bandhan is on Wednesday of this month.

Answer:

Fifth