Mathematics 0580 · IGCSE · The four operations

The four operations — practice question

(a)[1]

State the number you add to $-4$ so that the result is $9$.

(b)[1]

State the number you subtract from $-9$ so that the result is $-4$.

Worked solution & mark scheme

This 2-mark question has a full step-by-step worked solution and mark scheme. One marking point: “The answer is $13$.” …