RS Aggarwal Class 6 Math Fourth Chapter Integers Exercise 4A Solution

RS Aggarwal Class 6 Math Fourth Chapter Integers Exercise 4A Solution

EXERCISE 4A

(1) Write the opposite of each of the following:

(i) An increase of 8

Ans: An decrease of 8

(ii) A loss of RS 7

Ans: A gain of rupees 7.

(iii) Gaining a weight of 5 kg

Ans: Losing a weight of 5 kg.

(iv) 10 km above sea level

Ans: 10 km below sea level.

(v) 5oC below the freezing point

Ans: 5oC above freezing point

(vi) A deposit of Rs 100

Ans: A withdrawal of rupees 100.

(vii) Earning Rs 500

Ans: Spending rupees 500.

(viii) Going 6 m to the east

Ans: Going 6 m to the west.

(ix) 24

Ans: -24

(x) -34

Ans: +34

(2) Indicate the following using ‘+’ or ‘-‘ sign:

(i) A gain of Rs 600

Ans: +Rs 600.

(ii) A loss of Rs 800

Ans: -Rs 800.

(iii) 7oC Below the freezing point

Ans: -7oC.

(iv) Decrease of 9

Ans: -9.

(v) 2 km above sea level

Ans: +2 km.

(vi) 3 km below sea level

Ans: -3 km.

(vii) A deposit of Rs 200

Ans: +Rs 200.

(viii) A withdrawal of Rs 300

Ans: -Rs 300.

(3) Mark the following integers on a number line:

(4) Which number is larger in each of the following pairs?

(i) 0, -2

Ans: 0.

(ii) -3, -5

Ans: -3.

(iii) -5, 2

Ans: 2.

(iv) -16, 8

Ans: 8.

(v) -365, -913

Ans: -365.

(vi) -888, 8

Ans: 8.

(5) Which number is smaller in each of the following pairs?

(i) 6, -7

Ans: -7.

(ii) 0, -1

Ans: -1.

(iii) -13, -27

Ans: -27.

(iv) -26, 17

Ans: -26.

(v) -317, -603

Ans: -603.

(vi) -777, 7

Ans: -777.

(6) Write all integers between

(i) 0 and 6

Ans: 1, 2, 3, 4, 5

(ii) -5 and 0

Ans: -4, -3, -2, -1

(iii) -3 and 3

Ans: -2, -1, 0, 1, 2

(iv) -7 and -5

Ans: -6

(7) Fill in the by appropriate symbol > or <:

(i) 0……7

Ans: <

(ii) 0…. -3

Ans:  >

(iii) -5…….-2

Ans: <

(iv) -15……13

Ans: <

(v) -231……-132

Ans: <

(vi) -6……6

Ans: <

(8) Write the following integers in the increasing order:

(i) 5, -7, -2, 0, 8

Ans: -7, -2, 0, 5, 8

(ii) -23, 12, 0, -6, -100, -1

Ans: -100, -23, -6, -1, 0, 12

(iii) -17, 15, -363, -501, 165

Ans: -501, -363, -17, 15, 165

(iv) 21, -106, -16, 16, 0, -2, -81

Ans: -106, -81, -16, -2, 0, 16, 21

(9) Write the following integers in the decreasing order:

(i) 0, 7, -3, -9, -132, 36

Ans: 36, 7, 0, -3, -9, -132

(ii) 51, -53, -8, 0, -2

Ans: 51, 0, -2, -8, -53

(iii) -71, -81, 36, 0, -5

Ans: 36, 0, -5, -71, -81

(iv) -365, -515, 102, 413, -7

Ans: 413, 102, -7, -365, -515

(10) Using the number line, write the integer which is

(i) 4 more than 6

Ans: 4+6=10

(ii) 5 more than -6

Ans: 5-6= -1

(iii) 6 less than 2

Ans: 2-6= -4

(iv) 2 less than -3

Ans: -3 -2= -5

(11) For each of the following statements, write (T) for true and (F) for false:

(i) The smallest integers is zero.

Ans: F

(ii) Zero is not an integer.

Ans: F

(iii) The opposite of zero is zero.

Ans: T

(iv) -10 is greater than -6.

Ans: F

(v) The absolute value of an integer is always greater than the integer.

Ans: F

(vi) 0 is larger than every negative integer.

Ans: T

(vii) Every negative integer is less than every natural number.

Ans: T

(viii) The successor of -187 is -188.

Ans: F

(ix) The predecessor of -215 is -214.

Ans: F

(12) Find the value of

(i)

-9

Ans: 9

(ii)

-36

Ans: 36

(iii)

0

Ans: 0

(iv)

15

Ans: 15

(v)

–3

Ans: -3

(vi)

7+-3

Ans: 10

(vii)

7-4

Ans: 3

(viii)

8–7

Ans: 1

(13) (i) Write five negative integers greater than -7.

Ans: -6, -5, -4, -3, -2

(ii) Write five negative integers less than -20.

Ans: -21, -22, -23, -24, -25

 

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  1. Hii
    Thanks to help me.

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