Mathematics 0580 · IGCSE · The four operations

The four operations — practice question

Insert a single pair of brackets into each statement so that it becomes correct.

(a)[1]

$10-4\div2+18=21$

(b)[1]

$7\times3+1+2=30$

Worked solution & mark scheme

This 2-mark question has a full step-by-step worked solution and mark scheme. One marking point: “$\left(10-4\right)\div2+18=21$” …