Foundation November 2021 Paper 3 Q7
7 Point A is 217 metres above sea level.
Point B is 145 metres lower than point A.
Point C is 59 metres below sea level.
How much higher is point B than point C? [3 marks]
| Answer | Mark | Comments |
|---|---|---|
| Alternative method 1 | ||
| \(217 - 145\) or 72 | M1 | |
| their \(72 + 59\) | M1dep | oe eg \(72 - -59\) |
| 131 | A1 | |
| Alternative method 2 | ||
| \(217 + 59\) or 276 | M1 | oe eg \(217 - -59\) |
| their \(276 - 145\) | M1dep | |
| 131 | A1 | |
Additional guidance
| M1 may be awarded for correct work, with no or incorrect answer, even if this is seen amongst multiple attempts | |
| \(217 - 145 + 59\) or \(217 - 86\) | M1M1 |
| \(217 + 145 + 59\) | M1M0 |
| \(217 - 145 - 59\) | M1M0 |
| \(217 - 204\) implies \(217 - 145\) | M1M0 |
| \(145 - 59\) or 86 without further correct working | M0 |