Page 295 - ICSE Math 6

2
2
2
3. (a) 12cm (b) 4 cm (c) 4 cm (d) 16 cm 2
2
(e) 6 cm (f) 2 cm 2 2. Score Tally marks Frequency
Practice Time 1  2
1. (a) 24 cm (b) 30 cm (c) 38 cm
2. (a) 30 cm (b) 26.4 cm (c) 52 cm (d) 88.8 cm 2 8
3. 12 cm 4. ` 1,860 5. 180 m 6. 6 m; 10 m 3  3
7. 11 cm 8. 44 cm 9. 32 m 10. 64 m
11. Cloth with dimension 12 m by 9 m. 4  3
2
2
2
12. (a) 144 cm (b) 8 cm 13. (a) 58 m (b) 8 m 5 5
14. 14 m
6  3
Think Smart
1. Students to do on their own. (a) 2 (b) 1 (c) 3, 4 and 6
2. (a) True, as the perimeter of new figure = Perimeter of
square + 2(2) – 2(2). 3. Shirt size Tally marks Frequency
2
(b) False, as (x + 2)(x – 2) ≠ x .
32  3
Chapter 22 34  3
Exercise 22.1
36  2
1. Number of children in family Frequency
38  4
1 7
40  12
2 12
42  3
3 5
4 1 44  3
(a) 1 (b) 4 (c) 2 (d) 12 (a) 40 size (b) 36 size

Months
4. Apr May Jun Jul Aug Sep Oct Nov Dec Jan Feb = 1 student
Number of students      —              
Mar



       
   

 
(a) September (b) July

5. I Classes III IV V Exercise 22.2
= 5 students
1.
II
Number of students Number of patients 25
30
20
15
10

0 5
A B C D E
(a) 6 Doctors
(b) 7 and a half
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