Question

Add the following
(i) 8 and –12 using number line (ii) (–3) and (–5) using number line
(iii) (−100)+(−10) (iv) 20 +(−72)
(v) 82 +(−75) (vi) −48 +(−15)
(vii) −225 +(−63)

Answer 1

answer: 1.-4

2.-8

3.(-100)+(-10)=(-110)

4.20+(-72)=(-52)

5.82+(-75)=7

6.-48+(-15)=-63

7.-225+(-63) =-288