Page 293 - ICSE Math 6

Chapter 19

Exercise 19.1
1. (a) Rubik cube and die (c)
(b) Book and brick
(c) Heap of wheat and an ice cream cone
(d) Marbles and football (e) Drum and chalk (Answers may vary)
(Answers may vary) 3. (a) 24 cubes (b) 9 cubes
2. (a) Sphere (b) Cuboid (c) Cone (d) Cube 4. (a)–(ii); (b)–(iii); (c)–(iv); (d)–(i)
(e) Cuboid (f) Cuboid (g) Cuboid (h) Cylinder 5. Cube 6. A
3. (d) and (e) 4. (a) and (d) 5. (a) Yes (b) No Think Smart
1. Cube and square prism
6. (Answers may vary) 2. (a) Cuboids (b) 8 3. (a) 4 (b) 2 (c) 4

7. (b) and (c) Chapter 20
Exercise 19.2 Exercise
1. (a) (i) Side (ii) Top (iii) Front 1. (a) False (b) True (c) True (d) False (e) False
(b) (i) Side (ii) Top (iii) Front 2. (a) No (b) Yes (c) Yes (d) No
(c) (i) Front (ii) Top (iii) Fron
(d) (i) Top (ii) Front (iii) Side 3. (a) (b)
(e) (i) Front (ii) Side (iii) Top

2. 3. (a) (c) (d)

Mental Maths
1 1 1 4 (e) (f)
1. (a) 2 3 5 4 (b) 3 2 4 5 (c) 2 6
6 6 3 5
2. (a) A, B, C, D, E and F 4. (a) (b) (c)
(b) AB, AC, BC, BD, DF, FC, EF, ED and AE
(c) ABC, DEF, AEFC, AEDB and BDFC
3. (a) Figure (1) (2) (3)
(a) Front (or top) Side Top (or front)
(b) Top Side Front
(c) Front (or side) Side (or front) Top (d) (e) (f)
(d) Top Side Front

4. (d) 5. (a)
Practice Time
5. (a) 1 (b) 0 (c) 1 (d) 4 (e) 4 (f) 1
1. (a) (b) P A

6. 7 cm 7. 5.5 cm
cube Triangular Prism Q 7 cm R
(Answers may vary) B 5.5 cm C

C
2. (a) (b) 8.
A 7 cm B
D

277