Foundation June 2025 Paper 1 Q11
11
(a) Work out \(\dfrac{5}{8} - \dfrac{1}{4}\) (2)
(b) Work out \(\dfrac{2}{5}\) of 40 (2)
| Answer | Mark | Mark scheme |
|---|---|---|
| \(\dfrac{3}{8}\) | M1 | for method to subtract using a correct common denominator, with at least one correct numerator, eg. \(\dfrac{5}{8} - \dfrac{2}{8}\) or \(\dfrac{10}{16} - \dfrac{4}{16}\) or \(\dfrac{20}{32} - \dfrac{8}{32}\) or for correct method to convert both fractions to decimals and subtract, eg \(0.625 - 0.25\) |
| A1 | for \(\dfrac{3}{8}\) oe, eg \(\dfrac{6}{16}\), \(\dfrac{9}{24}\), \(\dfrac{12}{32}\), 0.375 |
Additional guidance
Do not condone working with fractions with decimal numerators unless it leads to a fraction or fractions where both numerator and denominator are integers.
Ignore errors in cancelling after sight of an equivalent fraction to \(\dfrac{3}{8}\)
| Answer | Mark | Mark scheme |
|---|---|---|
| 16 | M1 | for dividing by 5 and multiplying by 2, in any order or for \(0.4 \times 40\) oe |
| A1 | cao |
Additional guidance
Accept \(\dfrac{2}{5} \times 40\) or \(\dfrac{2}{5} \times \dfrac{40}{1}\)