Intermediate November 2017 Unit 2 Q1
1.
(a) Calculate 8% of £3.25. [3]
(b) Evaluate \(0{\cdot}65 \times 280 - \dfrac{2}{9}\) of 513. [3]
(c) Calculate \(3{\cdot}5^2 - \sqrt{8{\cdot}6}\).
Give your answer correct to 2 decimal places. [2]
Give your answer correct to 2 decimal places. [2]
| Scheme | Marks | Comments |
|---|---|---|
| 0·08 × (£)3.25 OR 0·08 × 325(p) or equivalent | M1 | |
| = (£)0.26 OR 26p | A2 | Mark final answer. Allow £0.26p. If A2 not awarded allow M1A1 for sight of 0.26 or 26 in working (e.g. 0.26p or £26) Unsupported final answer of (£) 2.99 OR (£) 3.51 gains M1A1. |
| Scheme | Marks | Comments |
|---|---|---|
| 182 − 114 | B2 | B1 for sight of 182 or 114. |
| = 68 | B1 | F.T. 182 – ‘their 114’ or ‘their 182’ – 114 correctly evaluated. B1 only for 182 − 0·22(..) = 181·77.. B0 for an unsupported 181·77…. |
| Scheme | Marks | Comments |
|---|---|---|
| 9·32 | B2 | B1 for sight of 9·3 or 9·30 or 9·31(…...). Mark final answer. |