Page 226 - Start Up Mathematics_4

2. (a) Yes, Srijata has to take left turn after crossing the (b) The number of children who are acting is more
bridge. than the number of children who are making the
(b) Srijata would reach opposite to Ismail’s house. sets.
(c) From Ismail’s house, walk towards the park. Take (c) Playing music (d) 6 children
the second right turn after the park. Walk straight Problem-Based Learning
and take first left to reach the milk booth. From
the milk booth, take right turn. Walk straight, the 1. (c) 2. (c) 3. (b) 4. (b) 5. (c) 6. (c)
pink coloured house is Srijata’s house. 7. (b) 8. (d) 9. (c) 10. (b) 11. (b) 12. (b)
13. (b) 14. (a) 15. (c)
3. 5 3 7
Graph-Based Questions
1. (b) 2. (b) 3. (a) 4. (b) 5. (b)
9 4 2
Maths Fun
1 8 6 Page 18
When you remove the lower part of XII, you will get VII.
4. 100 Page 44

40 60 48 Once, because once you subtract 10 from 100 then its
20 28 not 100 anymore.
15 25 35 8 12 16 Page 60
3 5 7 9 Do you have problems?
5 10 15 20 1 2 3 4 5 Page 79

5. (a) The boundary of B is neither less nor more than (a) 5 – 5 + 5 – 5 = 0 (b) 5 ÷ 5 × 5 ÷ 5 = 1
that of A. (c) 5 × 5 ÷ 5 + 5 = 10
(b) 14 cm Page 80
6. (a) 20 cm (b) 36 cm
(c) 1 cm + 1 cm + 1 cm + 1 cm = 4 cm, Yes
7. Students to do on their own.
Chapter 14: Data Handling

1. Students to do on their own. Page 141
2. (a) 9 children All months have 28 days.

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