Numeracy Foundation November 2016 Unit 2 Q6
6. The diagram shows the plan of the floor of Nick’s room.

Diagram not drawn to scale
Nick is going to fit square carpet tiles to cover the floor.
| Square carpet tiles Each tile measures 0·5 m by 0·5 m £2.50 per tile |
How much will it cost Nick to cover his floor with these carpet tiles?
You must show all your working. [4]
| Scheme | Marks | Comments |
|---|---|---|
| (Number of tiles needed=) 6 × 2 × 8 × 2 | M1 | OR 8×6 ÷ (0·5×0·5) OR 8 ×6 ×4 |
| 192 (tiles) | A1 | |
| (Cost =)192 × 2.5(0) | M1 | FT ‘their derived 192’ \(\neq\) 48 ‘Their 192’ must be derived from consideration of dimensions of the room and of the tile. |
| (£)480 | A1 | If no marks, award SC1 for 48 × 2.50 = (£)120 (£)480 unsupported gains full marks. |