Foundation June 2019 Paper 2 Q6
6
(a) Use your calculator to work out \(\quad \dfrac{9.75^3}{1.875} + 6.4^2\)
Give your answer as a decimal.
Write down your full calculator display. [2 marks]
(b) Is your answer to part (a) sensible?
Check by rounding each of 9.75, 1.875 and 6.4 to the nearest whole number.
You must show your working. [3 marks]
Tick a box.
- Sensible
- Not sensible
| Answer | Mark | Comments |
|---|---|---|
| 494.325 or \(\dfrac{19\,773}{40}\) or \(494\dfrac{13}{40}\) or 40.96 or \(\dfrac{1024}{25}\) or \(40\dfrac{24}{25}\) or 535.29 or 535.3 or \(\dfrac{107\,057}{200}\) or \(535\dfrac{57}{200}\) | M1 | |
| 535.285 | A1 |
Additional guidance
| Ignore any subsequent truncation or rounding if 535.285 seen in working | M1A1 |
| Answer | Mark | Comments |
|---|---|---|
| \(10^3\) and 2 and \(6^2\) and 536 and indicates Sensible | B3ft | ft correct decision for comparing 536 with their 535.285 B2 \(10^3\) and 2 and \(6^2\) seen B1 any two of 10, 2 and 6 seen allow 1000 to imply 10 or \(10^3\) and 36 to imply 6 or \(6^2\) for B1 or B2 only |
Additional guidance
Students must give the correct ft decision for part (a) for B3
Correct decision for their (a) should be Sensible if their 535.285 is 530 or 540 to 2 sf. Otherwise they should indicate Not sensible
Condone eg 10.00 for 10 etc