1MA0 Foundation June 2013 Paper 2 Q9
9 Work out the difference in value between \(\dfrac{1}{4}\) and 30%. (2)
| Answer | Mark | Notes |
|---|---|---|
| 5% | 2 | (uses percentages) M1 for 30 – 25 (= 5) or 25 – 30 (= −5) A1 for 5% oe OR (uses decimals) M1 for 0.3 – 0.25 or 0.25 – 0.3 (= −0.05) A1 for 0.05 OR (uses fractions) M1 for \(\dfrac{30}{100} - \dfrac{1}{4}\) or \(\dfrac{1}{4} - \dfrac{30}{100}\) (\(= -\dfrac{5}{100}\)) A1 for \(\dfrac{5}{100}\) oe OR (uses trial value, eg 60) M1 for 0.3×60 – 0.25×60 (=3) or 0.25×60 – 0.3×60 (= −3) A1 for \(\dfrac{3}{60}\) oe |