Use the sign of >, < or = in the box to make the statements true.
(a) (– 8) + (– 4) ----- (– 8) – (– 4)
(b) (– 3) + 7 – (19)------ 15 – 8 + (– 9)
(c) 23 – 41 + 11------ 23 – 41 – 11
(d) 39 + (– 24) – (15)----- 36 + (– 52) – (– 36)
(e) – 231 + 79 + 51-------- – 399 + 159 + 81
Solution:
a) - 8 + (- 4) ___ - 8 - (- 4)
- 8 - 4 ___ - 8 + 4
-12 < - 4
b) (- 3) + 7 - 19 ___ 15 - 8 + (- 9)
- 3 + 7 - 19 ___ 15 - 8 - 9
4 - 19 ___ 7 - 9
-15 < - 2
c) 23 - 41 + 11 ___ 23 - 41 - 11
-18 + 11 ___ -18 - 11
- 7 > - 29
d) 39 + (- 24) - 15 ___ 36 + (- 52) - (- 36)
39 - 24 - 15 ___ 36 - 52 + 36
15 - 15 ___ - 16 + 36
0 < 20
e) - 231 + 79 + 51 ___ - 399 + 159 + 81
- 152 + 51 ___ - 240 + 81
- 101 > -159
☛ Check: NCERT Solutions for Class 7 Maths Chapter 1
Video Solution:
Use the sign of >, < or = in the box to make the statements true.(a) (– 8) + (– 4) ----- (– 8) – (– 4) (b) (– 3) + 7 – (19)------ 15 – 8 + (– 9) (c) 23 – 41 + 11------ 23 – 41 – 11 (d) 39 + (– 24) – (15)----- 36 + (– 52) – (– 36) (e) – 231 + 79 + 51-------- – 399 + 159 + 81
NCERT Solutions Class 7 Maths Chapter 1 Exercise 1.1 Question 9
Summary:
The sign of >, < or = in the box to make the statements true for the following cases (a) (– 8) + (– 4) ----- (– 8) – (– 4) (b) (– 3) + 7 – (19)------ 15 – 8 + (– 9) (c) 23 – 41 + 11------ 23 – 41 – 11 (d) 39 + (– 24) – (15)----- 36 + (– 52) – (– 36) (e) – 231 + 79 + 51-------- – 399 + 159 + 81 are as follows: (a) -12 < -4, (b) -15 < -2, (c) -7 > -29, (d) 0 < 20, (e) -101 > -159
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