Mathematics 0580 · IGCSE · The four operations

The four operations — practice question

(a)[1]

Insert one pair of brackets into $15 + 12 - 3 \times 4 = 51$ so that it becomes correct.

(b)[1]

Insert one pair of brackets into $15 + 12 - 3 \times 4 = 96$ so that it becomes correct.

Worked solution & mark scheme

This 2-mark question has a full step-by-step worked solution and mark scheme. One marking point: “The correct result is $15+(12-3)\times4=51$.” …