Foundation November 2016 Unit 1 Q12
12. Calculate each of the following.
(a) \(0{\cdot}4 \times 0{\cdot}7\) [1]
(b) \(13{\cdot}8 - 7{\cdot}45\) [1]
(c) \(3^3 - 2^4\) [2]
(d) \(\dfrac{9}{10} - \dfrac{3}{5}\) [2]
| Scheme | Marks | Comments |
|---|---|---|
| 0·28 or equivalent e.g. 28/100 | B1 | Allow ·28. |
| Scheme | Marks | Comments |
|---|---|---|
| 6·35 | B1 |
| Scheme | Marks | Comments |
|---|---|---|
| (27 – 16 =) 11 | B2 | B1 for sight of 27 OR 16. |
| Scheme | Marks | Comments |
|---|---|---|
| Correctly using a common denominator | M1 | M1 for 9/10 – 6/10 OR 45/50 – 30/50 OR 0·9– 0·6 OR equivalent |
| 3/10 OR 15/50 OR 0·3 or equivalent. | A1 | Mark final answer. |