Add without using a number line: (e) (-380)+(-270)
To add two integers of same signs, ignore the sign and add the numerical values. Put the same before the number after addition.
(-380)+(-270)=-380-270=-650
Add without using number line: \((–380) + (–270)\)
Add without using number line:
(-380)+(-270)
(a) 11 + (− 7)
(b) (− 13) + (+18)
(c) (− 10) + (+19)
(d) (− 250) + (+ 150)
(e) (− 380) + (− 270)
(f) (− 217) + (− 100)