Foundation June 2019 Unit 2 Q9
9. In this question, you will be assessed on the quality of your organisation, communication and accuracy in writing.
Cuboid A is made up of a number of cubes as shown below.
Each edge of each cube is 1 cm long.
A different cuboid, Cuboid B, has the same length and width as Cuboid A.
The height of Cuboid B is three times the height of Cuboid A.
What is the volume of Cuboid B?
You must show all your working. [3 + 2 OCW]
| Scheme | Marks | Comments |
|---|---|---|
| Length of sides in Cuboid B = 5 (cm), 3(cm), 6 (cm) | B1 | Award B1 for (height =) 6 (cm), provided length and width aren’t also multiplied by 3. |
| Volume of Cuboid B = 5 x 3 x 6 | M1 | F.T. ‘their height’ x 5 x 3 |
| = 90 (cm3) | A1 |
Alternative method
| Scheme | Marks | Comments |
|---|---|---|
| (Volume of Cuboid A =) 5 x 3 x 2 | M1 | |
| = 30 (cm3) | A1 | |
| (Volume of Cuboid B =) 90 (cm3) | B1 | F.T. for their stated or derived volume for Cuboid A’ |
9. OCW
| Scheme | Marks | Comments |
|---|---|---|
| Organisation and Communication. | OC1 | For OC1, candidates will be expected to:
|
| Accuracy of writing. | W1 | For W1, candidates will be expected to:
|