Question

Subtract the first integer from the second in each of the following:
(i) 12, -5
(ii) – 12, 8
(iii) – 225, – 135

(3 marks)

Answer 1

(i) 12, -5
So, by subtracting the first integer from the second, we get,
–5 – 12 = – 17
(1 mark)

(ii) – 12, 8
So, by subtracting the first integer from the second, we get,
8 – (–12) = 8 + 12 = 20
(1 mark)

(iii) – 225, – 135
So, by subtracting the first integer from the second, we get,
–135 – (–225) = 225 – 135 = 90
(1 mark)