Foundation November 2017 Paper 1 Q22
22
(a) Work out \(\dfrac{2}{5} + \dfrac{1}{4}\) (2)
(b) Write down the value of \(2^{-3}\) (1)
| Working | Answer | Mark | Notes |
|---|---|---|---|
| \(\dfrac{8}{20} + \dfrac{5}{20}\) | \(\dfrac{13}{20}\) | M1 | for suitable common denominator with one fraction out of two correct or \(0.4 + 0.25\) |
| A1 | for \(\dfrac{13}{20}\) or 0.65 oe |
| Answer | Mark | Notes |
|---|---|---|
| \(\dfrac{1}{8}\) | B1 | Accept 0.125 |