HBSE 6th Class Maths Solutions Chapter 6 Integers Ex 6.1

Haryana State Board HBSE 6th Class Maths Solutions Chapter 6 Integers Ex 6.1 Textbook Exercise Questions and Answers.

Haryana Board 6th Class Maths Solutions Chapter 6 Integers Exercise 6.1

Question 1.
Write opposites of the following :
(a) Increase in weight
(b) 30 km north
(c) 326 BC
(d) Loss of Rs. 700
(e) 100 m above sea level.
Solution:
(a) Decrease in weight,
(b) 30 km south,
(c) 326 AD,
(d) Gain of Rs. 700,
(e) 100 m below sea level.

HBSE 6th Class Maths Solutions Chapter 6 Integers Ex 6.1

Question 2.
Represent the following numbers as integers with appropriate signs :
(a) An aeroplane is flying at a height of two thousand metres above the ground.
(b) A sub-marine is moving at a depth of eight hundred, metres below the sea level.
(c) A deposit of Rs. two hundred.
(d) Withdrawal of Rs. seven hundred.
Solution:
(a) +2000,
(b) -800,
(c) +200,
(d) -700.

Question 3.
Represent the following numbers on a number line :
(a) +5 (b) -10 (c) +8 (d) -1 (e) -6.
Solution:
HBSE 6th Class Maths Solutions Chapter 6 Integers Ex 6.1 1

Question 4.
Adjacent is a vertical 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) Which is the point, opposite to H ?
(d) Write integers for points B and E.
(e) Which point, marked on this number line has the least, value, if) Arrange all the points in decreasing order of value.
Solution:
(a) F,
(b) negative integer,
(c) A,
(d) +4, -10,
(e) E,
(f) D, C, B, A, O, H, G, F, E.

HBSE 6th Class Maths Solutions Chapter 6 Integers Ex 6.1

Question 5.
Following is the list of temperatures of five places in India, on a particular day of the year.
HBSE 6th Class Maths Solutions Chapter 6 Integers Ex 6.1 2
(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 degree Celsius.
HBSE 6th Class Maths Solutions Chapter 6 Integers Ex 6.1 3
Plot the name of the city against its temperature.
(c) Which is the coolest place ?
(d) Write the names of the places whose temperatures are above 10°C.
Solution:
(a) -10°C, -2°C, +30°C, + 20°C, -5°C
(b)
HBSE 6th Class Maths Solutions Chapter 6 Integers Ex 6.1 4
(c) Siachin is the coolest place.
(d) Delhi and Ahmedabad.

Question 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.
Solution:
(a) 9, (b) -3, (c) 0, (d) 10, (e) 6, (f) 1.

Question 7.
Write all the integers between the given pairs (write them in the increasing order).
(a) 0 and -7
(b) -4 and 4-
(c) -S and -15
(d) -30 and -23.
Solution:
(a) -6,-5,-4,-3,-2,-1.
(b) -3, -2, -1, 0, 1, 2, 3.
(c) -14, -13, -12, -11, -10, -9.
(d) -29, -28, -27, -26, -25, -24.

HBSE 6th Class Maths Solutions Chapter 6 Integers Ex 6.1

Question 8.
(a) Write four negative integers greater than -20.
(b) Write four negative integers less than -10.
Solution:
(a) -19, -18, -17, -16, (b) —11, -12, -13, -14.

Question 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 number is -1.
(d) -26 is larger than -25.
Solution:
(a) T,
(b) F, -100 is to the left of -50 on the number line,
(c) F, there is no smallest negative number,
(d) F, -26 is smaller than -25.

Question 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 w,e 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 dine, in which direction should we move to reach -1 ?
HBSE 6th Class Maths Solutions Chapter 6 Integers Ex 6.1 5
Solution:
(a) 2,
(b) -4,
(c) left,
(d) right.

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