Chapter 3 In the World of Numbers – Practice Set 3.2

Practice Set 3.2
1
Write the correct symbol >, < in the box below.
Ans.
(i) (−10) < 6
(ii) (−19) < (−5)
(iii) (−3) < 0
(iv) 8 < 12
(v) 5 > 0
(vi) (−3) > (−9)
2
Solve.
Ans.
(i)   4 + 7 = 11
(ii)   (−4) + (−5) = −9
(iii)   (−7) + 2 = −5
(iv)   10 + (−2) = 8
(v)   (−63) + (−32) = −95
(vi)   (−71) + (+71) = 0
3
Solve.
Ans.
(i)   78 − (−45) = 123
(ii)   (−19) − (−27) = 8
(iii)   148 − (−37) = 185
(iv)   (−120) − 200 = −320
(v)   (−57) − (−48) = −9
(vi)   (−15) − (−24) = 9
Note: For 3(i), the answer given in the textbook is incorrect.

Leave a Comment

Your email address will not be published. Required fields are marked *

error: Content is protected !!