Read and download NCERT Class 7 Maths Solutions Answers chapter in NCERT book for Class 7 Mathematics. You can download latest NCERT eBooks for 2021 chapter wise in PDF format free from Studiestoday.com. This Mathematics textbook for Class 7 is designed by NCERT and is very useful for students. Please also refer to the NCERT solutions for Class 7 Mathematics to understand the answers of the exercise questions given at the end of this chapter

**1.** (a) Lahulspiti: –8°C, Srinagar: –2°C, Shimla: 5°C, Ooty: 14°C, Bangalore: 22°C

(b) 30°C (c) 6°C (d) Yes; No** 2.** 35**3.** –7°C; –3°C **4.** 6200 m **5.** By a positive integer; Rs 358**6.** By a negative integer; – 10. **7.** (ii) is the magic square**9.** (a) < (b) < (c) > (d) s<

(e) >**10.** (i) 11 jumps (ii) 5 jumps (iii) (a) –3 + 2 –3 + 2 – 3 + 2 – 3 + 2 –3 + 2 –3 = – 8

(b) 4 – 2 + 4 – 2 + 4 = 8

8 in (b) represents going up 8 steps.

**EXERCISE 1.2**

**1.**One such pair could be:

(a) –10, 3 (b) – 6, 4; (– 6 – 4 = –10) (c) –3, 3

**2.**One such pair could be:

(a) –2, –10; [–2 – (–10) = 8] (b) – 6, 1

(c) –1, 2; (–1 – 2 = –3)

**3.**Scores of both the teams are same, i.e., –30; Yes

**4.**(i) –5 (ii) 0 (iii) –17 (iv) –7

(v) –3

**EXERCISE 1.3**

**1.**(a) –3 (b) –225 (c) 630 (d) 316 (e) 0

(f) 1320 (g) 162 (h) –360 (i) –24 (j) 36

**3.**(i) – a (ii) (a) 22 (b) –37 (c) 0

**4.**–1 × 5 = –5, –1 × 4 = – 4 = – 5 + 1, – 1 × 3 = – 3 = – 4 + 1,

–1 × 2 = – 2 = – 3 + 1, – 1 × 1 = – 1 = – 2 + 1, – 1 × 0 = 0 = – 1 + 1 so, – 1 × (–1) = 0 + 1 = 1.

**5.**(a) 480 (b) – 53000 (c) – 15000 (d) – 4182

(e) – 62500 (f) 336 (g) 493 (h) 1140

**6.**– 10°C 7. (i) 8 (ii) 15 (iii) 0

**8.**(a) Loss of Rs 1000 (b) 4000 bags

**9.**(a) – 9 (b) – 7 (c) 7 (d) – 11

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