Page 168 - Maths Skill - 6

166 Maths

Chapter – 4: Number Play

Boot-up

A. 1. (iii) 2. (i) 3. (ii) 4. (i) 5. (iii) B. 1. 3000 2. Greatest 3-digit number 3. 1 4. 1
C. 1. True 2. True 3. True

Exercise - 4.1

1. Do it yourself 2. Do it yourself 3. 517, 115, 120, 998 4. (a) 7894, 7895, 7896, 7898, 7900, 7901, 7902
(b) 6335, 6345, 6355, 6365, 6385, 6395, 6405 (c) 2620, 2625, 2630, 2635, 2640, 2645, 2650
(d) 2314, 2318, 2320, 2324, 2326, 2326, 2328 (e) 9077, 9080, 9083, 9086, 9089, 9095

Exercise - 4.2

1. 98000 2. 10007 3. 97 4. 148 5. 9910 6. (a) 1000 (b) 1,00,000
(c) 8,00,000 (d) 1,40,00,000 (e) 90,000 (f) 60,000

Assessment Time
A. 1. (ii) 2. (iv) 3. (i) 4. (iii) B. 1. Palindromes numbers 2. 6174 3. 29
C. 1. (c) 2. (d) 3. (a) 4. (a) D. 1. (d) 2. (a)

Chapter 5: Fractions

Boot-up

A. 1. (iv) 2. (ii) 3. (ii) 4. (iii) 5. (i) 6. (iii) B. 1. 1 2. 13 3. 100 4. improper
4
5. unit 6. 2 C. 1. True 2. True 3. False 4. True 5. True
3
Exercise - 5.1

1. (i) 5 (ii) 1 (iii) 4 (iv) 3 (v) 10 2. (i) (ii)
7 5 19 8 24

(iii) (iv) (v) (vi) 3. (i) 2 (ii) 10 (iii) 6
4 20 16

(iv) 2 (v) 4 (vi) 3 4. (ii) 2 , two-sixths (iii) 5 , five-sevenths
4 8 8 6 7

4
(iv) 6 , six-ninths (v) 8 , eight-tenths (vi) , four-eighths
9 10 8
5 3
5. (i) 3 (ii) 5 (iii) 4 (iv) 3 6. Do it yourself 7. ,
8 9 16 5 8 8
Exercise - 5.2

1. (i) Proper (ii) Unit (iii) Mixed (iv) Improper (v) Proper (vi) Proper (vii) Mixed (viii) Proper
(ix) Mixed (x) Proper (xi) Proper (xii) Unit 2. (i) 28 (ii) 19 (iii) 14 (iv) 38
3 3 3 5
(v) 10 (vi) 25 (vii) 13 (viii) 15 (ix) 16 (x) 46 (xi) 28 (xii) 56
3 4 4 2 3 5 3 5