Add without using number line: (-250)+(+150)
We have,
(-250)+(+150)=-250+150=-100
Hence, (-250)+(+150)=100 .
Question 3 (b)
Add without using number line: (–13) + (+18)
Add without using number line: \((–380) + (–270)\)
Question 3 (c)
Add without using number line: (–10) + (+19)
Question 3 (d)
Add without using number line: (–250) + (+150)