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**Q.1. Write 'True' or 'False' for the following :(i) â€“20Â° C represent temperature "above 20Â°C"(ii) 8 > (â€“10)(iii) | â€“ 2 | = 2(iv) | â€“ 4 â€“ 2 | = â€“ 6 (v) (â€“3) > (â€“5) **

**Ans.**

(i) False

(ii) True

(iii) True

(iv) False

(v) True

**Q.2. Fill up the blanks :****(i) Integer which is neither positive nor negative is ____________****(ii) Predecessor of (â€“99) is ____________****(iii) | -26-14 | = ____________****(iv) Successor of (â€“100) is ____________****(v) Largest 3-digit negative integer is ____________ **

**Ans.**

(i) 0

(ii) â€“100

(iii) 40

(iv) â€“99

(v) â€“100

**Q.3. Subtract (â€“25) from the sum of 15 and 35.Ans. **75

**Q.4. Add the sum of (â€“2063) and 562 to (â€“2063).Ans. **â€“3564

**Q.5. Simplify :****(i) (â€“50) + (â€“200) â€“ (â€“500)(ii) 23 â€“ (â€“15) + 12(iii) (24 + 6) Ã· (â€“3)(iv) 19 + {10 Ã· (7 â€“ 9)}(v) 12 â€“ {16 â€“ (6 + 2 â€“ 6 Ã· 3)} **

**Ans.**

(i) 250

(ii) 50

(iii) (â€“10)

(iv) 14

(v) 2

**Q.6. Write additive inverse of :(i) (â€“6347)(ii) 0(iii) 4231(iv) 2132 â€“ 132(v) â€“10 â€“ 5**

**Ans.**

(i) 6347

(ii) 0

(iii) â€“4231

(iv) â€“2000

(v) 15

**Q.7.**

**Observe the number line given above and answer the following :(i) What is the position of Reeta on the number line?(ii) What is the position of Seema?(iii) What is the distance between Reeta and Seema?**

**Ans.**

(i) Position of Reeta = â€“3

(ii) Position of Seema = 5

(iii) Distance between them = 8 units

**Q.8. Represent the following numbers/expressions on a number line?(i) â€“7(ii) + 9(iii) 7 â€“ 2(iv) â€“ 5â€“4(v) 4 â€“ 9 **

**Ans. **

(i)

(ii)

(iii)

(iv)

(v)

**Q.9. Enter the correct sysmbol >, =, < in the following :(i) (â€“7) _________ (2)(ii) 7 _________ (â€“12)(iii) 0 _________ (â€“2)(iv) (â€“16) _________ (9 + 7)(v) â€“ (10 + 5) _________ (â€“15) **

**Ans.**

(i) <

(ii) >

(iii) >

(iv) <

(v) =

**Q.10. Find the values of 'a' when :(i) a + 10 = â€“ 18(ii) a â€“ 3 = 7(iii) â€“13a = 91(iv) a Ã· 5 = 3**

**Ans.**

(i) â€“28

(ii) 10

(iii) â€“7

(iv) 15

222 videos|105 docs|43 tests

### Examples: Subtraction of Integers (Part- 2)

- Video | 04:41 min
### Ordering and Comparing Integers

- Video | 10:26 min
### Representation of Integers on a Number Line

- Video | 01:26 min
### Examples: Comparing and Ordering Integers

- Video | 09:24 min
### Addition and Subtraction of Integers using a Number Line

- Video | 06:00 min

- Examples: Subtraction of Integers (Part- 1)
- Video | 09:30 min
- Test: Integers - 3
- Test | 20 ques | 20 min