NCERT Solutions Class 3 Mathematics Chapter 2 Fun with numbers

1. Radhika, Gauri, Vicky, Indre ans Sunil were collecting Imli (tamarind) seeds:
Ans. · Indra collected the most seeds. ·
Sunil will collect 4 more seeds to be equal to Vicky. ·
If Radhika gets 6 more seeds, she will have 30. ·
How many children have more than 40 seeds? 3 ·
Gauri needs 3 more seeds to have 50. ·
Sunil has 2 seeds less than 40 and Vicky has 2 seeds more than 40.

2. Dhoni’s Century One-day match between India and South Africa in Guwahati….., India batting first….. Fill in the blanks:
Ans. Dhoni Scored 96 +6 =102 runs.

3. How many runs do these players need to complete a century?

4. Fill in the blanks:
Ans.

5. Oh! 206! Guess how many more to make a triple century?
Ans. To make ripple century, runs needed = 300 – 206 = 94

6. Top Ten Scores in the Cricket World Cup
Ans.

C.K. Just missed his century. How many runs did he need to make a century? 1
· A.S. and C.K. scored almost equal runs.
· Most runs scored by any batsman are 178.
· A.S. and C.K. have a difference of just 1 run between them.
· K.S.P. scored 2 more than one and a half century.

8. How far can you go like this?
Ans. I can go endlessly as there is no end to the numbers.

9. What is the biggest number you can call out?
Ans. The biggest number can never be called as there is no biggest number.

10. Colour the Numbers. Find these numbers in the above chart. Colour them.

Ans.

Gabru, Bunny and Tarru are jumping all the way.
Gabru jumps on every 7 th square, Bunny on every 5 th square, Tarru on every 4 th square.
Gabru starts jumping from square number 90. Bunny starts jumping from square number 99.
Tarru starts jumping from square number 106.
Bunny’s tenth jump is on square number 149. Tarru’s tenth is on square number 146. Garbru’s tenth jump will be on square number 160. Gabru and Bunny both jump on squares 104, 139 and 174.

11. Find out:

(a) Tarru and Bunny jump on squares ____, _____, _____ and _____.
Ans. (a) 114, 134, 154 and 174.

(b) Is there any square where all three of them jump?
Ans.(b) 174.

(c) Guess how will finish in the least jumps?
Ans.(c) Gabru.

(d) In how many jumps?
Ans.(d) 12.

12. (a) Jump 2 steps forward: 104, 106, 108.
Ans. (a) 104, 106, 108, 110, 112, 114, 116.

(b) Jumps 2 steps backward: 262, 260, 258.
Ans. (b) 262, 260, 258, 256, 254, 252, 250.

(c) Jumps 10 steps forward: 110, 120, 130.
Ans. (c) 110, 120, 130, 140, 150, 160, 170.

(d) Jumps 10 steps backward: 200, 190, 180.
Ans. (d) 200, 190, 180, 170, 160, 150, 140.

(e) Continue the pattern:
550, 560, 570.
910, 920, 930, 940.
209, 207, 205.
401, 402, 403.
Ans. (e) 550, 560, 570, 580, 590, 600, 610
910, 9920, 930, 940, 950, 960, 970, 980
209, 207, 205, 203, 201, 199, 1997
401, 402, 403, 404, 405, 406, 407.

13. Lazy Crazy also has a crazy way of taking money. He takes only in Rs. 100, Rs. 10 and Rs. 1 coins.
Ans.

14. Who am I? Match with the number.

(a) I come between 40 and 50 and there is 5 in my name.
Ans. (a) 45.

(b) I have 9 in my name and am very close to 90.
Ans. (b) 89.

(c) If you hit a 4 after me, you score a century.
Ans. (c) 96.

(d) I am equal to ten notes of 10. 
Ans. (d) 100.

(e) I am century + half century.
Ans. (e) 150.

(f) I am exactly in between 77 and 97.
Ans. (f) 87.

15. How many are these?

(a)

Ans. (a) 240 rupees.

(b)

Ans. (b) 319 sticks.

(c)

Ans. (c) 212 blocks.

(d)

Ans. (d) 138 beads.

(e)

Ans. (e) 320 rupees.

 

Question. What number goes in the box below to make the number sentence true?
.......... - 27 = 30
(a) 3
(b) 13
(c) 50
(d) 57

Answer : D

Question. Ram has MORE THAN 25 books. Sam has 5 books MORE THAN Ram. The number of books with Sam could be
(a) 20
(b) 29
(c) 30
(d) 34

Answer : D

Question. Which of these numbers is between 67 and 76?
(a) 77
(b) 70
(c) 66
(d) 60

Answer : B

Question. Seventy nine can be written as
(a) 7 + 9
(b) 7 + 90
(c) 70 + 90
(d) 9 + 70

Answer : D

Question. The number which comes just after 5 TENS is
(a) 16
(b) 49
(c) 51
(d) 60

Answer : C

Question. If the number 12 is represented as 

  

(a) 13
(b) 23
(c) 31
(d) 32

Answer : B

Question. 3 equal sized boxes are completely filled with fruits - Box 1 with grapes, Box 2 with apples and Box 3 with melons.
Which box has the greatest number of fruits?

(a) Box 1
(b) Box 2
(c) Box 3
(d) All have the same number

Answer : A

Question. Look at the numbers in this box. Which of the following is true about the numbers in the box?

 

(a) They are all greater than 40
(b) They are all between 30 and 50
(c) They are all between 35 and 55
(d) They are all less than 50

Answer : C

Question. A frog starts from Stone 1 and goes to the other side by jumping on every second stone. Which stones will the frog jump on?

 

(a) stones 3 and 4 only
(b) stones 3, 5, 7 and 9
(c) stones 2, 4, 6 and 8
(d) stone 

Answer : B

Question. Seema is making vegetable soup. The picture shows the number of vegetables she used. Look at the picture and answer the question. How many more onions did Seema use than carrots?

 

(a) 1
(b) 2
(c) 3
(d) 4

Answer : B

Question. Seema is making vegetable soup. The picture shows the number of vegetables she used. Look at the picture and answer the question. How many KINDS of vegetables did Seema use for the soup?

 

(a) three
(b) Four
(c) Six
(d) Eight

Answer : A

Question. Which abacus has more than 5 beads in every row?

 

Answer : C

Question. The same number has to be put in BOTH the boxes below.
What is the number?
2 x 8 = ............. x ...........
(a) 4
(b) 5
(c) 8
(d) 16

Answer : A

Question. Ann has the following number cards: Using these two cards, she can make a number between :

(a) 20 and 25.
(b) 25 and 30.
(c) 50 and 60.
(d) 70 and 80.

Answer : B

Question. What number goes in the box below to make the number sentence true?
.......... - 27 = 30
(a) 3
(b) 13
(c) 50
(d) 57

Answer : B