**Chapter 6** of the RBSE Class 6 Maths syllabus focuses on **Integers**, which are essential in mathematics for representing whole numbers, both positive and negative, as well as zero. This chapter helps students understand the concept of integers, their properties, and how to perform operations involving them. A solid grasp of integers lays the foundation for more advanced mathematical topics in higher classes.

Below are the complete solutions for **RBSE Class 6 Maths Chapter 6: Integers**, designed to aid students in their understanding and exam preparation.

## Table of Contents

**Chapter Overview: Integers**

**Integers** are a set of numbers that include all positive whole numbers, negative whole numbers, and zero. The set of integers can be represented as:Integers={…,−3,−2,−1,0,1,2,3,…}\text{Integers} = \{…, -3, -2, -1, 0, 1, 2, 3, …\}Integers={…,−3,−2,−1,0,1,2,3,…}

**Key Concepts Covered in Chapter 6**

- Definition of integers
- Representation of integers on a number line
- Comparison of integers
- Addition and subtraction of integers
- Multiplication and division of integers
- Properties of integers

### NCERT Solutions for Class 6 Chapter 6: Integers Exercise 6.1

**1. Write opposites of the following:**

**(a) Increase in weight**

**(b) 30 km north**

**(c) 80 m east**

**(d) Loss of Rs 700**

**(e) 100 m above sea level**

**Solutions:**

**(a) **The opposite of increase in weight is decrease in weight

(b) The opposite of 30 km north is 30 km south

(c) The opposite of 80 m east is 80 m west

(d) The opposite of loss of Rs. 700 is gain of Rs. 700

(e) The opposite of 100 m above sea level is 100 m below sea level

**2. Represent the following numbers as integers with appropriate signs.**

**(a) An aeroplane is flying at a height two thousand metre above the ground.**

**(b) A submarine is moving at a depth, eight hundred metre below the sea level.**

**(c) A deposit of rupees two hundred.**

**(d) Withdrawal of rupees seven hundred.**

**Solutions:**

**(a) **+ 2000 m

(b) – 800 m

(c) + Rs 200

(d) – Rs 700

**3. Represent the following numbers on a number line:**

**(a) + 5**

**(b) – 10**

**(c) + 8**

**(d) – 1**

**(e) – 6**

**Solutions:**

**(a) + **5

(b) – 10

(c) + 8

(d) – 1

(e) – 6

**4. Adjacent figure is a vertical number line, representing integers. Observe it and locate the following points:**

**(a) If point D is + 8, then which point is – 8?**

**(b) Is point G a negative integer or a positive integer?**

**(c) Write integers for points B and E.**

**(d) Which point marked on this number line has the least value?**

**(e) Arrange all the points in decreasing order of value.**

**Solutions:**

**(a) **If point D is +8, then point F is -8

(b) Point G is a negative integer

(c) Point B is 4 and point E is – 10

(d) The least value on this number line is point E, as it represents – 10

(e) The points in decreasing order of value are D, C, B, A, O, H, G, F, E

**5. Following is the list of temperatures of five places in India on a particular day of the year.**

**Place Temperature**

**Siachin 10°C below 0°C ……………..**

**Shimla 2°C below 0°C ……………..**

**Ahmedabad 30°C above 0°C ……………..**

**Delhi 20°C above 0°C ……………..**

**Srinagar 5°C below 0°C ……………..**

**(a) Write the temperatures of these places in the form of integers in the blank column.**

**(b) Following is the number line representing the temperature in degrees Celsius.**

**Plot the name of the city against its temperature.**

**(c) Which is the coolest place?**

**(d) Write the names of the places where temperatures are above 10°C.**

**Solutions:**

**(a)**

Siachin – 10^{0} C

Shimla – 2^{0} C

Ahmedabad + 30^{0} C

Delhi + 20^{0} C

Srinagar – 5^{0} C

(b)

(c) Siachin is the coolest place

(d) Ahmedabad and Delhi are the places where the temperatures are above 10^{0}C

**6. In each of the following pairs, which number is to the right of the other on the number line?**

**(a) 2, 9**

**(b) – 3, – 8**

**(c) 0, – 1**

**(d) – 11, 10**

**(e) – 6, 6**

**(f) 1, – 100**

**Solutions:**

**(a) **9 lies to the right on the number line (9 > 2)

(b) – 3 lies to the right on the number line (- 3 > – 8)

(c) 0 lies to the right on the number line (0 > -1)

(d) 10 lies to the right on the number line (10 > -11)

(e) 6 lies to the right on the number line (6 > -6)

(f) 1 lies to the right on the number line (1 > -100)

**7. Write all the integers between the given pairs (write them in the increasing order.)**

**(a) 0 and – 7**

**(b) – 4 and 4**

**(c) – 8 and – 15**

**(d) – 30 and – 23**

**Solutions:**

**(a) **-6, -5, -4, -3, -2, -1 are the integers between 0 and -7

(b) -3, -2, -1, 0, 1, 2, 3 are the integers between -4 and 4

(c) -14, -13, -12, -11, -10, -9 are the integers between -8 and -15

(d) -29, -28, -27, -26, -25, -24 are the integers between -30 and -23

**8. (a) Write four negative integers greater than – 20.**

**(b) Write four integers less than – 10.**

**Solutions:**

**(a) **-19, -18, -17, -16 are the integers greater than -20

(b) -11, -12, -13, -14 are the integers less than -10

**9. For the following statements, write True (T) or False (F). If the statement is false, correct the statement.**

**(a) – 8 is to the right of – 10 on a number line.**

**(b) – 100 is to the right of – 50 on a number line.**

**(c) Smallest negative integer is – 1.**

**(d) – 26 is greater than – 25.**

**Solutions:**

**(a) **True (-8 > -10)

(b) False (-50 is greater than -100. Hence, -100 lies to the left of -50 on the number line.)

(c) False (-1 is the greater negative integer)

(d) False (-26 is smaller than -25)

**10. Draw a number line and answer the following:**

**(a) Which number will we reach if we move 4 numbers to the right of – 2.**

**(b) Which number will we reach if we move 5 numbers to the left of 1.**

**(c) If we are at – 8 on the number line, in which direction should we move to reach – 13?**

**(d) If we are at – 6 on the number line, in which direction should we move to reach – 1?**

**Solutions:**

**(a)**

If we move 4 numbers to the right of -2, we will reach at 2

(b)

If we move 5 numbers to the left of 1, we will reach at -4

(c)

-13 lies to the left of -8 on the number line. Hence, we should move to the left.

(d)

-1 lies to the right of -6 on the number line. So, we should move to the right.

### NCERT Solutions for Class 6 Chapter 6: Integers Exercise 6.1

**1. Write opposites of the following:**

**(a) Increase in weight**

**(b) 30 km north**

**(c) 80 m east**

**(d) Loss of Rs 700**

**(e) 100 m above sea level**

**Solutions:**

**(a) **The opposite of increase in weight is decrease in weight

(b) The opposite of 30 km north is 30 km south

(c) The opposite of 80 m east is 80 m west

(d) The opposite of loss of Rs. 700 is gain of Rs. 700

(e) The opposite of 100 m above sea level is 100 m below sea level

**2. Represent the following numbers as integers with appropriate signs.**

**(a) An aeroplane is flying at a height two thousand metre above the ground.**

**(b) A submarine is moving at a depth, eight hundred metre below the sea level.**

**(c) A deposit of rupees two hundred.**

**(d) Withdrawal of rupees seven hundred.**

**Solutions:**

**(a) **+ 2000 m

(b) – 800 m

(c) + Rs 200

(d) – Rs 700

**3. Represent the following numbers on a number line:**

**(a) + 5**

**(b) – 10**

**(c) + 8**

**(d) – 1**

**(e) – 6**

**Solutions:**

**(a) + **5

(b) – 10

(c) + 8

(d) – 1

(e) – 6

**4. Adjacent figure is a vertical number line, representing integers. Observe it and locate the following points:**

**(a) If point D is + 8, then which point is – 8?**

**(b) Is point G a negative integer or a positive integer?**

**(c) Write integers for points B and E.**

**(d) Which point marked on this number line has the least value?**

**(e) Arrange all the points in decreasing order of value.**

**Solutions:**

**(a) **If point D is +8, then point F is -8

(b) Point G is a negative integer

(c) Point B is 4 and point E is – 10

(d) The least value on this number line is point E, as it represents – 10

(e) The points in decreasing order of value are D, C, B, A, O, H, G, F, E

**5. Following is the list of temperatures of five places in India on a particular day of the year.**

**Place Temperature**

**Siachin 10°C below 0°C ……………..**

**Shimla 2°C below 0°C ……………..**

**Ahmedabad 30°C above 0°C ……………..**

**Delhi 20°C above 0°C ……………..**

**Srinagar 5°C below 0°C ……………..**

**(a) Write the temperatures of these places in the form of integers in the blank column.**

**(b) Following is the number line representing the temperature in degrees Celsius.**

**Plot the name of the city against its temperature.**

**(c) Which is the coolest place?**

**(d) Write the names of the places where temperatures are above 10°C.**

**Solutions:**

**(a)**

Siachin – 10^{0} C

Shimla – 2^{0} C

Ahmedabad + 30^{0} C

Delhi + 20^{0} C

Srinagar – 5^{0} C

(b)

(c) Siachin is the coolest place

(d) Ahmedabad and Delhi are the places where the temperatures are above 10^{0}C

**6. In each of the following pairs, which number is to the right of the other on the number line?**

**(a) 2, 9**

**(b) – 3, – 8**

**(c) 0, – 1**

**(d) – 11, 10**

**(e) – 6, 6**

**(f) 1, – 100**

**Solutions:**

**(a) **9 lies to the right on the number line (9 > 2)

(b) – 3 lies to the right on the number line (- 3 > – 8)

(c) 0 lies to the right on the number line (0 > -1)

(d) 10 lies to the right on the number line (10 > -11)

(e) 6 lies to the right on the number line (6 > -6)

(f) 1 lies to the right on the number line (1 > -100)

**7. Write all the integers between the given pairs (write them in the increasing order.)**

**(a) 0 and – 7**

**(b) – 4 and 4**

**(c) – 8 and – 15**

**(d) – 30 and – 23**

**Solutions:**

**(a) **-6, -5, -4, -3, -2, -1 are the integers between 0 and -7

(b) -3, -2, -1, 0, 1, 2, 3 are the integers between -4 and 4

(c) -14, -13, -12, -11, -10, -9 are the integers between -8 and -15

(d) -29, -28, -27, -26, -25, -24 are the integers between -30 and -23

**8. (a) Write four negative integers greater than – 20.**

**(b) Write four integers less than – 10.**

**Solutions:**

**(a) **-19, -18, -17, -16 are the integers greater than -20

(b) -11, -12, -13, -14 are the integers less than -10

**9. For the following statements, write True (T) or False (F). If the statement is false, correct the statement.**

**(a) – 8 is to the right of – 10 on a number line.**

**(b) – 100 is to the right of – 50 on a number line.**

**(c) Smallest negative integer is – 1.**

**(d) – 26 is greater than – 25.**

**Solutions:**

**(a) **True (-8 > -10)

(b) False (-50 is greater than -100. Hence, -100 lies to the left of -50 on the number line.)

(c) False (-1 is the greater negative integer)

(d) False (-26 is smaller than -25)

**10. Draw a number line and answer the following:**

**(a) Which number will we reach if we move 4 numbers to the right of – 2.**

**(b) Which number will we reach if we move 5 numbers to the left of 1.**

**(c) If we are at – 8 on the number line, in which direction should we move to reach – 13?**

**(d) If we are at – 6 on the number line, in which direction should we move to reach – 1?**

**Solutions:**

**(a)**

If we move 4 numbers to the right of -2, we will reach at 2

(b)

If we move 5 numbers to the left of 1, we will reach at -4

(c)

-13 lies to the left of -8 on the number line. Hence, we should move to the left.

(d)

-1 lies to the right of -6 on the number line. So, we should move to the right.

### NCERT Solutions for Class 6 Chapter 6: Integers Exercise 6.3

**1. Find**

**(a) 35 – (20)**

**(b) 72 – (90)**

**(c) (-15) – (-18)**

**(d) (-20) – (13)**

**(e) 23 – (-12)**

**(f) (-32) – (-40)**

**Solutions:**

**(a) **35 – (20)

**= **35 – 20

**= **15

(b) 72 – (90)

= 72 – 90

= -18

(c) (-15) – (-18)

= -15 + 18

= 3

(d) (-20) – (13)

= -20 – 13

= -33

(e) 23 – (-12)

= 23 + 12

= 35

(f) (-32) – (-40)

= -32 + 40

= 8

**2. Fill in the blanks with >, < or = sign.**

**(a) (–3) + (–6) ______ (–3) – (–6)**

**(b) (–21) – (–10) _____ (–31) + (–11)**

**(c) 45 – (– 11) ______ 57 + (– 4)**

**(d) (–25) – (–42) _____ (– 42) – (–25)**

**Solutions:**

(a) (-3) + (-6) = -9

(-3) – (-6) = -3 + 6 = 3

-9 < 3

Therefore, (-3) + (-6) < (-3) – (-6)

(b) -21 – (-10) = -21 + 10 = -11

-31 + (-11) = -42

-11 > -42

Therefore, (-21) – (-10) > (-31) + (-11)

(c) 45 – (-11) = 45 + 11 = 56

57 + (-4) = 57 – 4 = 53

56 > 53

Therefore, 45 – (-11) > 57 + (-4)

(d) (-25) – (-42) = -25 + 42 = 17

-42 – (-25) = -42 + 25 = -17

17 > -17

Therefore, (-25) – (-42) > (-42) – (-25)

**3. Fill in the blanks.**

**(a) (–8) + _____ = 0**

**(b) 13 + _____ = 0**

**(c) 12 + (–12) = ____**

**(d) (–4) + ____ = –12**

**(e) ____ – 15 = – 10**

**Solutions:**

(a) (-8) + 8 = 0

(b) 13 + (-13) = 0

(c) 12 + (-12) = 0

(d) (-4) + (-8) = -12

(e) 5 – 15 = -10

**4. Find**

**(a) (–7) – 8 – (–25)**

**(b) (–13) + 32 – 8 – 1**

**(c) (–7) + (–8) + (–90)**

**(d) 50 – (–40) – (–2)**

**Solutions:**

(a) (-7) – 8 – (-25) = -7 -8 + 25

= -15 + 25

= 10

(b) (-13) + 32 – 8 – 1 = -13 + 32 – 8 – 1

= 32 – 22

= 10

(c) (-7) + (-8) + (-90) = -7 – 8 – 90

= – 105

(d) 50 – (-40) – (-2) = 50 + 40 + 2

= 92

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