Exercise 1.1
1.Some integers are marked on the number line. Which is the biggest and which is the smallest?
Solution:
Biggest Number :
Smallest Number :
2. Write the integers between the pairs of integers given below. Also, choose the biggest and smallest integers from them
(i)
(i) -5, -10 :
Solution:
-9, -8, -7, -6
Biggest Number =
Smallest Number :
(ii)
(ii) 3, -2 :
Solution:
-1, 0 , +
Biggest Number =
Smallest Number :
(iii)
(iii) -8, 5 :
Solution:
-7, -6, -5, -4, -3, -2, -1, 0, 1, 2, 3, 4
Biggest Number =
Smallest Number :
3.Write the following integers in ascending order (smallest to biggest)
(i)
(i) -5, 2, 1, -8 :
Solution:
-8,
(ii)
(ii) -4, -3, -5, 2 :
Solution:
-5 ,
(iii)
(iii) -10, -15, -7 :
Solution:
-15,
4.Write the following integers in descending order (biggest to smallest)
(i) -2, -3 , -5 :
Solution:
-2, -3 ,
(ii) -8, -2 , -1 :
Solution:
-1, -2,
(iii) 5, 8 , -2 :
Solution:
8,
5. Represent 6, -4, 0 , 4 on a number line.
Solution: :
6. Fill the missing integers on the number line given below
Solution:
7. The temperatures (in degrees celsius/centigrade) of 5 cities in India on a particular day are shown on the number line below.
(i)
(i) write the temperatures of the cities marked on it?
Solution:
Banglore -
Ooty -
Nainital -
Manali -
Kasauli -
(ii)
(ii) which city has the highest temperature?
Solution::
(iii)
(iii) which city has the lowest temperature?
Solution::
(iv)
(iv) which cities have temperature less than 0°C?
Solution::
Nainital
Manali
Kasauli
(v)
(v) Name the cities with temperature more than 0°C?
Solution::
Banglore