New Learning Composite Mathematics SK Gupta Anubhuti Gangal Class 6 Integers Self Practice 4C Solution
(1) a) 20 + 16
= 36
Ans. Positive
(b) – 21 + (-9)
= – 30
Ans – Negative
(c) 70 + (-22)
= 70 – 22
= 48
Ans – Positive
(d) – 100 + 80
= – 20
Ans – Negative
(e) – 15 + 15
= 0
Ans – Zero
(f) – 4 + (-7) + (-8)
= -4 – 7 – 8
= – 19
(2) (a) 5 + 3
(b) 4 + (-7)
(c) – 3 + 9
(d) – 4 + (-7)
(e) -5 + 5
(f) -3 + 11 + (-6)
(5) (a) 7 + 5
= 12
(b) -5 + (-5)
= -5 – 5
= 0
(c) -8 + (-1)
= -8 – 9
= -9
(d) 8 + (-5)
= 8 – 5
= 3
(e) 10 + (-4)
= 10 – 4
= 6
(f) – 9 + 7
= -2
(g) -3 + 10
= 7
(h) -6 + 6
= 0
(i) -5 + 12 + (-8)
= -5 + 12 – 8
= -1
(j) -3 + (-7) + (-4)
= -3 – 7 – 4
= -14
k) 14 + 7 + (-9)
= 12
(6) (a) – 10 + 6 < 5 + (-8)
(b) – 18 + 25 > – 25 + 18
(c) – 8 + (-17) < – 9 + (-11)
(d) – 8 + 8 > 17 + (-20)
(7) (a) – 15
(b) +6
(c) +29
(d) 0
(e) -38
