Intermediate November 2018 Unit 1 Q5
5.
(a) Estimate the answer to \(\dfrac{59 \times 301}{1997}\).
You must show all your working. [2]
(b) Given that 341 × 57 = 19 437, write down the answer to each of the following.
(i) 3·41 × 5·7 [1]
(ii) \(\dfrac{19\,437}{570}\) [1]
| Scheme | Marks | Comments |
|---|---|---|
| \(\dfrac{60 \times 300}{2000}\) OR \(\dfrac{59 \times 300}{2000}\) OR \(\dfrac{60 \times 301}{2000}\) | M1 | Must be seen. M0 for exact calculation. Do not accept any other approximated values. |
| = 9 = 8·85 or 8·9 or 9 = 9·03 or 9 | A1 | Unsupported answer is M0A0. |
| Scheme | Marks | Comments |
|---|---|---|
| (i) 19·437 | B1 | |
| (ii) 34·1 | B1 | Accept 34·10 |