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\ 29-Jan-2025 Surender Prajapati Proof-6 Reader’s Sign _______________________ Date __________
Think and Answer Think and Answer
−243 , −729 , −2187 10 km, towards west from point P.
405 1215 3645 7
Life Skills Quick Check
−112 1. Subtraction; –
224 2. Add; –, +, −2 7 metres −2 7
Practice Time 3A 10 3. 10 0;
1. (a) Rational number (b) Rational Number Practice Time 3C
(c) Rational Number (d) Not rational number 1. (a) 1 (b) (−28 ) (c) 3 (d) −17
(e) Rational number 13 48 22 15
2. (a) Numerator: -4, Denominator: 23 −9 6 −102 −7
(b) Numerator: 16, Denominator: –29 2. (a) 11 (b) 8 (c) 55 (d) 36
(c) Numerator: 0, Denominator: –67
(d) Numerator: 7, Denominator: 12 3. (a) 151 (b) 103 (c) 31
3. Positive rational number: 1120 180 76
(c) 19 (d) 5 (g) −52 (h) −37 4. −22 5. 7 6. −83 7. −1
24 14 −55 −94 8 18 60 6
Negative rational number: 8. 61 9. 99 , 199
7 56 −12 1 36 101 1
(a) (b) (e) (f)
− 25 − 113 19 28 Think and Answer
4. (a)
–1 0 8 1 x −2 −1 −4
11 5 7 13
(b) 3 −3 −3 −3
–1 −5 0 1 4 10 28 13
11
−5 1 5 10
(c) 6 3 42 39
–1 −3 0 1
7 −3 3 3 6
2 5 14 13
(d)
–1 0 2 1 Practice Time 3D
5 −12 −133
1. (a) –14 (b) –22 (c) (d)
(e) −13 −90
–1 1 0 1 −5 −301 −1 11
− 5 (e) 4 (f) 30 (g) −7 (h) − 12
,
,
,
5. (a) 10 15 20 (b) 14 28 21 (c) 4 , 8 10 2. (a) −5 (b) −77 (c) 1 (d) 4
,
,
34 51 68 16 32 24 22 44 55 144 1 − 114 − 27
6. −60 7. 21 8. 8 9. −8 (e) −10 (f) 5 (g) −80 (h) 49
72 − 70 − 9 −11 7 − 7 −99 36
−35 2 7 9 −20 −283 1 −784
10. (a) (b) (c) (d) 3. (a) (b) (c) (d)
68 3 − 9 11 39 14 6 17
11 4 18 4 −2 18 1984 −68
11. (a) (b) (c) (d) 4. 5. 6. km 7.
13 7 23 9 3 175 15 27
Think and answer 8. 53
9 10 11 12 13 14 15
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,
,
,
,
24 24 24 24 24 24 Chapter Assessment
Practice Time 3B A. 1. (b) 2. (c) 3. (b) 4. (c)
5. (c) 6. (c) 7. (d) 8. (a)
−3 −5 7 −7
1. (a) (b) (c) (d) B. 1. (b) 2. (a) 3. (c)
11 7 12 15 C. (a) - (v), (b) - (iv), (c) - (ii), (d) - (iii),
2. (a) < (b) > (c) > (d) = (e) - (i)
−5 −7 4 −1 1 2 − 5 − 3 1 − 3
3. (a) < < < < (b) < < < < D. 1. 0 2. –2 3. 0 4. –1
6 12 −9 4 −8 − 3 8 5 − 2 10 5. Left
5 1 − 2 1 − 9 7 2 − 5 1 − 3 7 7 1 2 3 123
4. (a) > > > > (b) > > > > E. 1. (a) (b) 2. ,, 3.
7 − 35 5 − 2 14 12 − 9 16 − 3 8 − 40 − 37 7 7 7 8
−5 −6 −7 −8 −6 −7 −8 −9 −2 −2
5. (a) , , , (b) , , , 4. 22 5. 6.
7 7 7 7 5 5 5 5 10 51 3
2
7
(c) −31 , −32 , −33 , −34 7. − 12 < −< < 3 2 <14 51 8. 5
45 45 45 45 15 5 3 3 500 − 3
357 Answers
