Foundation November 2024 Paper 1 Q12
12 Olly was asked to work out \(5 - 3 \times 4\)
Olly wrote \(5 - 3 = 2\)
He then worked out \(2 \times 4\)
Explain what is wrong with Olly’s method. (1)
| Answer | Mark | Mark scheme |
|---|---|---|
| explanation | C1 | for explanation Acceptable examples he should have multiplied first multiplication should be done before subtraction he should have done \(3 \times 4\) first he didn’t use BIDMAS/BODMAS/PEMDAS \(5 - 12 = -7\) Not acceptable examples he was correct the answer is \(-7\) Olly’s method gives the wrong answer BIDMAS/BODMAS/PEMDAS he should multiply first so \(3 \times 4 = 12\) then \(12 - 5 = 7\) he should have done \(3 \times 4 = 12\) then \(12 - 5 = 7\) he should have done \(2 \times 4\) first |