Can you now do these?
(i) 4 − 7
(ii) 3 − 9
(iii) 6 − 10
(iv) 2 − 12
(v) 4 − 12
(i) 4 − 7 = −3
(ii) 3 − 9 = −6
(iii) 6 − 10 = −4
(iv) 2 − 12 = −10
(v) 4 − 12 = −8
Now can’t you compute these?
(i) −4 − (−5)
(ii) −6 − (−9)
(iii) −12 − (−10)
(iv) −8 − (−7)
(v)