Question 3 (f)
Add without using number line: (–217) + (–100)
(–217) + (–100) = –217 – 100 = –317
Question 3 (b)
Add without using number line: (–13) + (+18)
Add without using number line:
(a) 11 + (− 7)
(b) (− 13) + (+18)
(c) (− 10) + (+19)
(d) (− 250) + (+ 150)
(e) (− 380) + (− 270)
(f) (− 217) + (− 100)
Question 3 (a)
Add without using number line: 11 + (–7)
Question 3 (c)
Add without using number line: (–10) + (+19)