With the help of a Joyful Mathematics Class 1 Solutions Chapter 13 So Many Toys (Data Handling) students can tackle challenging problems with confidence.

## Joyful Mathematics Class 1 NCERT Solutions Chapter 13 So Many Toys (Data Handling)

Look at the picture and find the number of different toys.

Answer:

Elephants – **4**

Teddy Bears – **3**

Cars – **2**

Dolls – **5**

Complete the following sentences by using more than/less than/equal to.

A. The number of dolls is ______ the number of cars.

B. The number of elephants is ______ the number of dolls.

C. The number of teddy bears is ______ the number of elephants.

D. The number of cars is ______ the number of teddy bears.

Answer:

A. The number of dolls is **more than** the number of cars.

B. The number of elephants is **less than** the number of dolls.

C. The number of teddy bears is **less than** the number of elephants.

D. The number of cars is **less than** the number of teddy bears.

**Colourful Flowers**

Name the colour of the flowers which you see mostly in a garden.

Look at the picture of colourful flowers and write the number of flowers. (See the picture in the textbook page 121).

Answer:

Blue flowers – **5**

Orange flowers – **4**

Red flowers – **9**

Purple flowers – **6**

A. Name the colour of flowers which are the least in number. ______

Answer:

Orange

B. Name the colour of the flowers which are most in number. ______

Answer:

Red

True or False. (Page 121)

A. Number of red flowers is more than the blue flowers. ______

B. Number of orange flowers is less than the purple flowers. ______

Answer:

A. True

B. True

Project Work

A. Make a card with a border of colourful flowers.

B. Find out in your class how many children have 3 letters in their names, how many children have 4 letters in their names and how many children have more than 4 letters in their names.

**Puzzles**

A. Kopal arranged number cards in the below image and Anaya hid them with bowls as shown. Can you recognize the numbers?

Answer:

You can also hide the numbers on a number card by using your hands and play this game with your friends.

B. Count the number of logs. Is it 3 logs or 4 logs?

Answer:

4

C. This is how Zarina set the glasses. Help her in extending the arrangement.

Answer:

Do it yourself.

D. Find the numbers from 1 to 10.

Answer:

E. Fill the numbers from 1 to 5 in the given balls so that the sum on both sides is equal.

Answer:

F. Gilluâ€™s favourite number is 8. If the answer to the asked question is 8, he becomes happy and if not, he becomes sad. Ask some questions to Gillu that have an answer of 8 only.

Answer:

4 + 4 = ?, 12 – 4 = ? and 2 times 4 = ?

G. Fill in the boxes in such a way that any shape occurs only once in a row (horizontal) and column (standing).

Answer:

H. Take 4 different objects (each object should be 4), such as 4 buttons, 4 pebbles, 4 seeds, 4 clay balls, etc. Now place them in the given boxes in such a way that every object occurs only once in a row (horizontal) and a column (vertical standing).

Answer:

Can you fill them in some other ways?

I. Who am I? (A mirror can help you).

Answer:

J. Who am I?

(i) I am between 5 and 10. I become three more when read upside down. ______

(ii) I am 3 more than 8 and 3 less than 14. ______

(iii) I am after 50 and before 54. Sum of my digits is 7. ______

(iv) I am just before 40. ______

(v) Add 5 to me and you will get 24. ______

(vi) I am just after 35. ______

(vii) Reduce 8 from me and 14 will be left. ______

Answer:

(i) I am between 5 and 10. I become three more when read upside down. **6**

(ii) I am 3 more than 8 and 3 less than 14. **11**

(iii) I am after 50 and before 54. Sum of my digits is 7. **52**

(iv) I am just before 40. **39**

(v) Add 5 to me and you will get 24. **19**

(vi) I am just after 35. **36**

(vii) Reduce 8 from me and 14 will be left. **22**

K. Six matchsticks are used to make a zero. Can you make any other number by shifting a single matchstick?

Answer:

L. Find out the missing piece and complete the pot.

Answer:

M. How many times can you subtract 5 from 25?

Answer:

5 times

N. Ranu has 3 seeds. She wants to place them on any 3 numbers on the given chart in such a way that the sum of those numbers will be 17. Can you help Ranu in finding the numbers?

In how many ways did you do it?

Answer:

9 + 1 + 7 = 17

4 + 8 + 5 = 17

6 + 8 + 3 = 17

10 + 3 + 4 = 17

12 + 4 + 1 = 17, etc.

If you have 2 seeds, which numbers will you place them to get a total of 17?

Answer:

15 and 2

O. Encircle the identical shadow image.

Answer:

(iv)

P. Write numbers from 5 to 9 in the card given below such that the row and the column have the same total.

Answer:

Q. Try to get the center number by doing addition or subtraction.

Answer:

R. Write down the correct numbers in the .

Answer:

S. Sarita has four coins of different values.

What is the minimum number of coins used to spend exactly â‚¹ 49?

Answer:

4 coins of â‚¹ 10

1 coin of â‚¹ 5

2 coins of â‚¹2

Minimum number of coins = 7.

T. Find out the value of orange .

Answer:

U. Let us play the ball game.

(i) Choose 3 balls in such a way that their sum will be 15.

Answer:

(ii) Choose 3 balls to get a maximum score.

Answer:

8 + 6 + 4 = 18.

(iii) Choose 3 balls to get a minimum score.

Answer:

2 + 4 + 6 = 12.