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.

3 thoughts on “Chapter 3 In the World of Numbers – Practice Set 3.2”

  1. Great efforts taken by you in very short periods, but giving notes are better than giving readymade answers. As your explainatoty notes are very good and in lucid language. please provide notes of every chapter , Thank you.

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