Add without using number line:
(-13)+(+18)
We can solve it by simply adding them,
(-13)+(+18)=+5
Hence, the final answer is +5.
Question 3 (b)
Add without using number line: (–13) + (+18)
Add without using a number line : (-13)+18
(a) 11 + (− 7)
(b) (− 13) + (+18)
(c) (− 10) + (+19)
(d) (− 250) + (+ 150)
(e) (− 380) + (− 270)
(f) (− 217) + (− 100)
11+(-7)
(-252)+(-45)