Mathematics 0580 · IGCSE · The four operations

The four operations — practice question

(a)[1]

Insert a single pair of brackets into $7 - 5 \times 4 + 8 = 16$ so that the calculation becomes correct.

(b)[1]

Add one pair of brackets to $7 - 5 \times 4 + 8 = -21$ so that it works out correctly.

Worked solution & mark scheme

This 2-mark question has a full step-by-step worked solution and mark scheme. One marking point: “The correct bracketed expression is $(7-5)\times4+8=16$.” …

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