Solution NCERT Math chapter 2 Fun with number
Chapter – 2 Fun With Numbers
Radhika, Guari, Vicky, Indira and Sunil were collecting [tamarind] seeds.
- __Indra_ collected the most seeds.
- Sunil will collect _04__ more seeds to be equal to Vicky.
- If Radhika gets 6 more seeds, she will have ___30
- How many children have more 40 seeds? __03___
- _Gauri_ needs 3 more seeds to have 50.
- Sunil has 2 seeds less than 40 and _Vicky__ has 2 seeds more than 40.
(13)
Chapter – 2 Fun With Numbers
- K. just missed his century. How many runs did he need to make a century? __01__
- __S.__ and __C.K.__ scored almost equal runs.
- __S.__ scored a complete century, no less, no more.
- Most runs scored by any batsman are __D.__.
- __S.__ and __C.K.__ have a difference of just 1 run between them.
- __S.P._ scored 2 more than one and a half century.
(17)
Counting in 10’s
| 10 | 110 | 310 | 710 |
| 20 | 120 | 320 | 720 |
| 30 | 130 | 330 | 730 |
| 40 | 140 | 340 | 740 |
| 50 | 150 | 350 | 750 |
| 60 | 160 | 360 | 760 |
| 70 | 170 | 370 | 770 |
| 80 | 180 | 380 | 780 |
| 90 | 190 | 390 | 790 |
| 100 | 200 | 400 | 800 |
Counting in 50’s
| 200 | 550 |
| 250 | 600 |
| 300 | 650 |
| 350 | 700 |
| 400 | 750 |
| 450 | 800 |
| 500 | 850 |
(18)
Class, Jump!
Jump 2 steps forward:
104, 106, 108, 110, 112, 114, 116.
Jump 2 steps backward:
262, 260, 258, 256, 254, 252, 250.
Jump 10 step forward:
110, 120, 130, 140, 150, 160,170.
Jump 10 steps backward:
200, 190, 180, 170, 160, 150,140.
Continue the pattern:
550, 560, 570, 580, 590, 600, 610.
910, 920, 930, 940, 950, 960, 970, 980.
209, 207, 205, 203, 201, 199, 197.
401, 402, 403, 404, 405, 406, 407.
(22)
Lazy Crazy shop
Rs 420 = 100*4+10*2
Rs 143 = 100*1+10*4+1*3
Rs 242 = 100*2+10*4+1*2
Rs 55 = 10*5+1*5
Who am I? Match with the number.
| (a) | I come between 40 and 50 and there is 5 in my name. | 45 |
| (b) | I have 9 in my name and am very close to 90 | 89 |
| (c) | If you hit a 4 after me, you score a century. | 96 |
| (d) | I am equal to ten notes of 10. | 100 |
| (e) | I am century + half century | 150 |
| (f) | I am exactly in between 77 and 97 | 87 |
(24)
How Many are these?
- 100+100+10+10+10+10 = 240 Rupees
- 100+100+100+10+1+1+1+1+1+1+1+1+1= 319 Stickes
- 100+100+10+1+1= 212 Blocks
- 100+10+10+10+8= 138 Beads
- 100+100+100+10+10= 320 Rupees
(25)
Which cards will I have in my pocket if I have Counted up to
- 19 =10,1,1,1,1,1,1,1,1,1.
- 21 =10,1.
- 95 =10,10,10,10,10,10,10,10,10,1,1,1,1,1.
- 201 =100,100,1.
- 260 =100,100,10,10,10,10,10,10.
- 300 =100,100,100.
- 306 =100,100,100,1,1,1,1,1,1.
- 344 =100,100,100,10,10,10,10,1,1,1,1.
- 350 =100,100,100,10,10,10,10,10.
- 400 =100,100,100,100.
(27)
Find my Food
Try these on kittu’s home:-
- 10 less than 34 is 24
- 53 – 20 = 33
- 11 more than 31 is 32
- 11 less than 66 is 55
- 63 + 13 = 78
- 23 less than 89 is 56
- 10 and 40 more is 40
- 9 added to 28 gives 37
- The sum of 9 and 44 is 53
- Reducing 98 by 34 gives 64
- 4 and 37 more is 37
- Take 35 away from 83. we get 48
(31)