Question

Add without using number line :
(a) 11 +(-7)
(b)(-13) + (+18)
(c) (-10) + (+19)
(d)(250) + (+150)
(e)(-380) + (-270)
(f)(-217) + 100)

Answer 1

a)11+(-7)
11-7=4
b)(-13)+(+18)
-13+18=5
C)-10+19=9
D)250+150=400
e)-380-270=650
f)-217+100=-117


Hope you are satisfued

Answer 2

a) 11+(-7)= -4

b)-13+(+18)= -5

c) -10+(+19)= -9

d) 250+(+150)= +400

e)-380+(-270)= +650

f)-217+100= -117